Breadcrumb Home > 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: dishabille Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language