Breadcrumb Home > Dictionary > Index P Cite paintbrush: Meaning and Definition of Find definitions for: paint•brush Pronunciation: (pānt'brush"), [key] a brush for applying paint, as one used in painting houses or one used in painting pictures. any plant of the genus Castilleja. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paintbrush (Thesaurus) paint bridge painted TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News A History of the New Year Saying "Happy New Year!" Around the World Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 How U.S. Presidential Elections Work Related Content Daily Word Quiz: troglodyte Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language