/ Dictionary / Index A apery: Meaning and Definition of Find definitions for: ap•er•y Pronunciation: (ā'pu-rē), [key] — pl. -er•ies. apish behavior; mimicry. a silly trick. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: apery (Thesaurus) aperture synthesis apetalous Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language