/ Dictionary / Index P palette knife: Meaning and Definition of Find definitions for: pal'ette knife" Pronunciation: [key] — Painting. Painting. a thin blade of varying flexibility set in a handle and used for mixing colors or applying them to a canvas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. palette Palette of Narmer Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language