sorrel2

 
Pronunciation: /ˈsɒr(ə)l/

noun

  • a horse with a light reddish-brown coat.
  • [mass noun, usually as modifier] a light reddish-brown colour: a sorrel mare with four white socks

Origin:

Middle English: from Old French sorel, from sor 'yellowish', from a Germanic adjective meaning 'dry'