Pronunciation: (gwäsh, gOO-äsh'; Fr. gwash), [key]
—pl. gouach•esPronunciation: (gwä'shiz, gOO-ä'shiz; Fr. gwash') [key] for 3.
1. a technique of painting with opaque watercolors prepared with gum.
2. an opaque color used in painting a gouache.
3. a work painted using gouache.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.