/ Dictionary / Index E ectoproct: Meaning and Definition of Find definitions for: ec•to•proct Pronunciation: (ek'tu-prokt"), [key] — n. bryozoan; formerly, one of two broad types of bryozoan. Cf. entoproct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ectoproct (Thesaurus) ectoplasm Ectoprocta Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language