/ Dictionary / Index P plainchant: Meaning and Definition of Find definitions for: plain•chant Pronunciation: (plān'chant", -chänt"), [key] — n. plainsong (defs. 1, 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plainchant (Thesaurus) plain bearing plain clothes Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language