/ Dictionary / Index M mesocecum: Meaning and Definition of Find definitions for: mes•o•ce•cum Pronunciation: (mez"u-sē'kum, mes"-, mē"zu-, -su-), [key] — pl. -ca the mesentery of the cecum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mesocarp mesocephalic Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language