Source : WordNet®

watercolor
     n 1: a painting produced with watercolors [syn: {watercolour}]
     2: a water-base paint (with water-soluble pigments); used by
        artists [syn: {watercolour}]
     3: water-soluble pigment [syn: {watercolour}]
     v : paint with watercolors [syn: {watercolour}]