/ Dictionary / Index S shamus: Meaning and Definition of Find definitions for: sha•mus Pronunciation: (shä'mus, shā'-), [key] — pl. -mus•es. a detective. a police officer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shamus (Thesaurus) shamshir Shan Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language