Clod
Definition 1 of 2

Natural context
Use 'clod' to describe soil or clay in farming or gardening contexts.

He picked up a large clod of soil to examine it more closely.
Hard, dry earth
'Clod' often implies that the earth or clay is in a hard, dry condition.

Dry clods crumbled under his boots as he walked.
Negative metaphor
Used metaphorically, 'clod' can imply something is dull or lumpish.

The sculpture looked like a mere clod of clay without form.
Compare with
blockboulderchunkhunklumpmasspebblestone
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