/ Dictionary / Index M mesc: Meaning and Definition of Find definitions for: mesc Pronunciation: (mesk), [key] — n. Slang. mescaline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mesa Verde mescal Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language