Spotted or patched, especially in black and white: a piebald horse. (adjective)
A piebald animal, especially a horse.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "piebald" in a sentence
"This little guy is what's known as a piebald squirrel - the term piebald applies to any animal displaying depigmented white fur."
"It looks to me like a "piebald" black duck. aside from the whitish-cream color the whitish ring around the bill has me stumped."
"If a horse is "piebald", its coat has large patches of which two colours?"