/ Dictionary / Index A acrogen: Meaning and Definition of Find definitions for: ac•ro•gen Pronunciation: (ak'ru-jun, -jen"), [key] — n. Bot. a flowerless plant growing and producing its reproductive structures at the apex only, as ferns and mosses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acrogen (Thesaurus) acrodont acrogynous Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language