piebald

 
Pronunciation: /ˈpʌɪbɔːld/

adjective

  • (of a horse) having irregular patches of two colours, typically black and white.

noun

  • a piebald horse.

Origin:

late 16th century: from pie2 (because of the magpie's black-and-white plumage) + bald (in the obsolete sense 'streaked with white')