/ Dictionary / Index C Corps of Engineers: Meaning and Definition of Find definitions for: Corps' of Engineers' Pronunciation: [key] a branch of the U.S. Army responsible for military and many civil engineering projects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. corpsman corpulence Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language