/ Dictionary / Index A achene: Meaning and Definition of Find definitions for: a•chene Pronunciation: (ā-kēn', u-kēn'), [key] — n. Bot. any small, dry, hard, one-seeded, indehiscent fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: achene (Thesaurus) acheilary Achenese Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language