/ Dictionary / Index T teacupful: Meaning and Definition of Find definitions for: tea•cup•ful Pronunciation: (tē'kup-fool"), [key] — pl. -fuls. as much as a teacup will hold, equal to 4 fluid ounces (113 grams). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: teacupful (Thesaurus) teacup tea dance Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language