/ Dictionary / Index B button ear: Meaning and Definition of Find definitions for: but'ton ear" Pronunciation: [key] a dog's ear that folds forward completely. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. button-down buttoned-up Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language