enrockment

Etymology

From en- + rock + -ment.

enrockment means A layer of stones and rocks lying on the bottom of a sea or lake that provides the base for a pier or breakwater. Lexicurio rates it Sui generis — a strength score of 90 out of 100.

noun

A layer of stones and rocks lying on the bottom of a sea or lake that provides the base for a pier or breakwater.