Used to describe the wing extremities of birds; related to flying abilities.

Bird Anatomy

Sometimes used metaphorically to talk about soaring to greater heights.

Metaphorical Use

Often found in literary or poetic contexts when depicting birds.

Primarily used in mechanical or engineering contexts to refer to small gears.

Accuracy is critical; the wrong pinion size can cause mechanical failure.

Helps in understanding how rotational motion can be converted into linear motion.

Used to express the act of holding someone so they cannot move.

Highlights the immobilization of limbs, not just any form of restraint.

Can be used figuratively to imply being trapped in a situation.