/ Dictionary / Index T twenty-fourth: Meaning and Definition of Find definitions for: twen•ty-fourth Pronunciation: (twen'tē-fôrth', -fōrth', twun'-), [key] — adj. next after the twenty-third; being the ordinal number for 24. being one of 24 equal parts. —n. a twenty-fourth part, esp. of one (). the twenty-fourth member of a series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: twenty-fourth (Thesaurus) twenty-fourmo Twenty-fourth Amendment Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language