Zain

Origin

French?

Full definition of zain

Noun

1. (archaic) A horse of a dark colour with no lighter spots.
• 1905, Sir William Ridgeway, The origin and influence of the thoroughbred horseAzara estimates the proportion of bays amongst these horses to be about ninety to ten zains, that is, entirely dark-coloured without any white; and there is not one black in two thousand; pied and greys occur sometimes...