/ Dictionary / Index T tall buttercup: Meaning and Definition of Find definitions for: tall' but"tercup Pronunciation: [key] a Eurasian buttercup, Ranunculus acris, naturalized in North American fields and meadows, having a tall stem and shiny yellow flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tallboy tall-case clock Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language