/ Dictionary / Index J jams: Meaning and Definition of Find definitions for: jams Pronunciation: ( jamz), [key] — n. (used with a pl. v.) pajamas. brightly patterned, knee-length drawstring swim trunks. Jams Pronunciation: (jamz), [key] a brand of baggy, brightly patterned, knee-length swim trunks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jams (Thesaurus) jamproof jam session Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language