water-color

noun

1.
2.
a water-base paint (with water-soluble pigments); used by artists
watercolor water-colour watercolour
Exemplifies:
American spelling
3.
a painting produced with watercolors
watercolor water-colour watercolour
Exemplifies:
American spelling
4.
the art or technique of painting with watercolors
watercolor water-colour watercolour
Exemplifies:
American spelling