A water-base paint (with water-soluble pigments); used by artists(noun)
The art or technique of painting with watercolors(noun)
WordNet. Princeton University. 2010.
Use "water-colour" in a sentence
"He pictured to himself a cross-section through that brain, painted neatly with grey water-colour on a sheet of paper stretched on a drawing-board with drawing pins."
"I showed him some water-colour drawings of men and women of great beauty, and with very singular halos about their heads, which had been drawn and painted from visions by a certain Irish poet20 who, if he lives, will have seen as many wonders as Swedenborg; and rather to my surprise, for I had thought the paintings too idealised for a peasant to understand, he became evidently excited."
"An Oslo gallery has banned Swedish artist Lars Vilks from exhibiting water-colour caricatures of the Muslim prophet Muhammad."