/ Dictionary / Index S semicoma: Meaning and Definition of Find definitions for: sem•i•co•ma Pronunciation: (sem"ē-kō'mu, sem"ī-), [key] — pl. -mas. a light coma from which a person can be roused. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: semicoma (Thesaurus) semicolon semiconducting Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language