/ Dictionary / Index T thirty-eight: Meaning and Definition of Find definitions for: thir•ty-eight Pronunciation: (thûr'tē-āt'), [key] — n. a cardinal number, 30 plus 8. a symbol for this number, as 38 or XXXVIII. a set of this many persons or things. —adj. amounting to 38 in number. 38 Pronunciation: (thûr'tē-āt'), [key] — pl. 38s, 38's. a pistol or revolver using a cartridge approximately .38 inch in diameter. the cartridge itself. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thirty-eight (Thesaurus) Thirty-dash thirty-eighth Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language