skewbald

Having spots or patches of white on a coat of a color other than black.

A skewbald animal, especially a horse.

Spotted in an irregular manner; piebald: used especially of horses.

Marked with spots and patches of white and some color other than black; -- usually distinguished from piebald, in which the colors are properly white and black. Said of horses.

Marked with patches of white and non-black colours.