/ Dictionary / Index C choanoflagellate: Meaning and Definition of Find definitions for: cho•a•no•flag•el•late Pronunciation: (kō"u-nō-flaj'u-lāt"), [key] — n. Zool. any flagellate of the genera Monosiga and Proterospongia, having a protoplasmic collar encircling the base of the flagellum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. choanocyte Choate Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language