Sentinel
noun
A person or thing that watches or stands as if watching.
A sentinel in a tower overlooking the bay.
Often appears as...
- sentinel node
- sentinel surveillance
noun
A soldier stationed to keep guard or to control access to a place.
The sentinel stood guard at the palace gates.
Often appears as...
- sentinel post
- sentinel duty
noun
An indicator or a sign of a condition or disease.
The appearance of the rash is a sentinel symptom of that disease.
Often appears as...
- sentinel lymph node
- sentinel event
Usage tips
Technical
noun
A person or thing that watches or stands as if watching.
A sentinel in a tower overlooking the bay.
Often appears as...
- sentinel node
- sentinel surveillance
noun
A soldier stationed to keep guard or to control access to a place.
The sentinel stood guard at the palace gates.
Often appears as...
- sentinel post
- sentinel duty
noun
An indicator or a sign of a condition or disease.
The appearance of the rash is a sentinel symptom of that disease.
Often appears as...
- sentinel lymph node
- sentinel event
Usage tips
Technical
Definition 1 of 3
Pro Tip 1/3Visual Imagery
Think of a sentinel as an observer who carefully watches over a specific area or object.
A motion sensor acted as a silent sentinel, triggering the alarm.
Pro Tip 2/3Personification
Sentinel can be used to describe non-human entities that act as guards, like security systems.
The lighthouse served as a sentinel for the safe return of sailors.
Pro Tip 3/3Metaphoric Use
Used metaphorically, 'sentinel' implies vigilance and an imposing or protective presence.
The tall cypress trees stood like sentinels around the ancient villa.
Compare with
guardlook outobserverscoutsentryspotterwardenwatchwatchman
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Video examples
A virus detection...
but I know that the question that's on everybody's mind How is that playing into the here and now? You know, we describe Sentinel as a pandemic preemption system, and here we are in a pandemic. But what's great is that, actually, the same tools you need to preempt a pandemic are the ones that you need to respond to one. And so all of the technologies that we have laid out --
Video examples
A brief history of dogs...
their genetic traits were passed on, gradually breeding tamer wolves in areas near human populations. Over time humans found a multitude of uses for these docile wolves. They helped to track and hunt prey, and might have served as sentinels to guard camps and warn of approaching enemies.
Video examples
Penguins Cutely Count...
to protect the coastal habitats they share with other species the D argues the real solution is to keep entire ocean ecosystems healthy because penguins like so many other marine animals migrate over vast distances there are global marine sentinels
Video examples
Dee Boersma: Pay...
They're comical, they walk upright, and, of course, they're diligent. And, more importantly, they're well-dressed. So they have all the criteria that people normally like. But scientifically, they're amazing because they're sentinels.
Video examples
How shared knowledge can...
got human to animal an animal to animal but can animal knowledge help people yes marine mammals are sentinels of the sea they can shout calls of alarm if we're willing to listen for example they can
Video examples
How CRISPR lets us edit...
So we can think of the Cas9 RNA sentinel complex like a pair of scissors that can cut DNA -- it makes a double-stranded break in the DNA helix. And importantly, this complex is programmable,
Video examples
How One Community Saved...
We're the sentinels, watching over, and taking care of it. And I tell the "I wish part of what I am telling you now remains deeply etched into your minds and hearts,
Video examples
Birds Stealing From...
guarding the food supply is just as important as collecting it and some of the young helpers act as sentinels keeping an eye out for thieves this is a
Video examples
Unbelievable Bird...
guarding the food supply is just as important as collecting it and some of the young helpers act as sentinels keeping an eye out for thieves
Video examples
Meerkat Family Surrounds...
sentinels look up at the sky for threats
Video examples
A virus detection...
but I know that the question that's on everybody's mind How is that playing into the here and now? You know, we describe Sentinel as a pandemic preemption system, and here we are in a pandemic. But what's great is that, actually, the same tools you need to preempt a pandemic are the ones that you need to respond to one. And so all of the technologies that we have laid out --
Video examples
A brief history of dogs...
their genetic traits were passed on, gradually breeding tamer wolves in areas near human populations. Over time humans found a multitude of uses for these docile wolves. They helped to track and hunt prey, and might have served as sentinels to guard camps and warn of approaching enemies.
Video examples
Penguins Cutely Count...
to protect the coastal habitats they share with other species the D argues the real solution is to keep entire ocean ecosystems healthy because penguins like so many other marine animals migrate over vast distances there are global marine sentinels
Video examples
Dee Boersma: Pay...
They're comical, they walk upright, and, of course, they're diligent. And, more importantly, they're well-dressed. So they have all the criteria that people normally like. But scientifically, they're amazing because they're sentinels.
Video examples
How shared knowledge can...
got human to animal an animal to animal but can animal knowledge help people yes marine mammals are sentinels of the sea they can shout calls of alarm if we're willing to listen for example they can
Video examples
How CRISPR lets us edit...
So we can think of the Cas9 RNA sentinel complex like a pair of scissors that can cut DNA -- it makes a double-stranded break in the DNA helix. And importantly, this complex is programmable,
Video examples
How One Community Saved...
We're the sentinels, watching over, and taking care of it. And I tell the "I wish part of what I am telling you now remains deeply etched into your minds and hearts,
Video examples
Birds Stealing From...
guarding the food supply is just as important as collecting it and some of the young helpers act as sentinels keeping an eye out for thieves this is a
Video examples
Unbelievable Bird...
guarding the food supply is just as important as collecting it and some of the young helpers act as sentinels keeping an eye out for thieves
Video examples
Meerkat Family Surrounds...
sentinels look up at the sky for threats
Example 1 of 10
Quote examples
Nick Harkaway
English Novelist
Being a parent is weird. It changes people in subtle and unsubtle ways. In my case, it awoke a kind of manic sentinel in my brain. Anything in the house that might be a threat to the kids or to my wife gets terminated - food, sharp edges, poor wiring.
Quote examples
George Monbiot
British Writer
As Dutch elm disease spread across Britain in the 1970s, the country fell into mourning. When the sentinel trees that framed our horizons were felled, their loss was a constant topic of sad and angry conversation.
Quote examples
William Henry Ashley
American Businessman
Having now reached a point where danger might be reasonably apprehended from strolling war parties of Indians, spies were kept in advance and strict diligence observed in the duty of sentinels.
Quote examples
Henry Wadsworth Longfellow
American Poet
Critics are sentinels in the grand army of letters, stationed at the corners of newspapers and reviews, to challenge every new author.
Quote examples
Daniel Webster
American Statesman
We have been taught to regard a representative of the people as a sentinel on the watch-tower of liberty.
Quote examples
Charles Baudelaire
French Poet
The man who says his evening prayer is a captain posting his sentinels. He can sleep.
Quote examples
Marcus Tullius Cicero
Roman Statesman
The eyes like sentinel occupy the highest place in the body.
Quote examples
Johann Kaspar Lavater
German Theologian
Conscience is the sentinel of virtue.
Quote examples
Nick Harkaway
English Novelist
Being a parent is weird. It changes people in subtle and unsubtle ways. In my case, it awoke a kind of manic sentinel in my brain. Anything in the house that might be a threat to the kids or to my wife gets terminated - food, sharp edges, poor wiring.
Quote examples
George Monbiot
British Writer
As Dutch elm disease spread across Britain in the 1970s, the country fell into mourning. When the sentinel trees that framed our horizons were felled, their loss was a constant topic of sad and angry conversation.
Quote examples
William Henry Ashley
American Businessman
Having now reached a point where danger might be reasonably apprehended from strolling war parties of Indians, spies were kept in advance and strict diligence observed in the duty of sentinels.
Quote examples
Henry Wadsworth Longfellow
American Poet
Critics are sentinels in the grand army of letters, stationed at the corners of newspapers and reviews, to challenge every new author.
Quote examples
Daniel Webster
American Statesman
We have been taught to regard a representative of the people as a sentinel on the watch-tower of liberty.
Quote examples
Charles Baudelaire
French Poet
The man who says his evening prayer is a captain posting his sentinels. He can sleep.
Quote examples
Marcus Tullius Cicero
Roman Statesman
The eyes like sentinel occupy the highest place in the body.
Quote examples
Johann Kaspar Lavater
German Theologian
Conscience is the sentinel of virtue.
Example 1 of 8
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