Breadcrumb Home > 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 TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language