/ Dictionary / Index P plaint: Meaning and Definition of Find definitions for: plaint Pronunciation: (plānt), [key] — n. a complaint. a statement of grievance made to a court for the purpose of asking redress. a lament; lamentation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plaint (Thesaurus) plain suit plain table Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language