/ Dictionary / Index S slammer: Meaning and Definition of Find definitions for: slam•mer Pronunciation: (slam'ur), [key] — n. a person or thing that slams. Usually,Also calleda prison. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: slammer (Thesaurus) slam dunk slamming stile 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