An obscure illness, disease or condition affecting a comparatively small number of people, but with symptoms somewhat similar to one or more different and more common illnesses.

It is named because these diseases/conditions are sometimes misdiagnosed by well meaning (but often inexperienced) doctors when something far more common is actually the cause. Medical students are told "remember, if you hear hoof beats, think horses, not zebras".

TWENTY-FIVE sizes larger than a A bra.

An offspring of a white and black relationship

(n) common slang term for referees or field officials in certain sports (particularly in American football) due to the white and black striped uniforms

Any of several swift, wild, horselike African mammals of the genus Equus, having distinctive overall markings of alternating white and black or brown stripes.

A person who is half black and half white. Often times offensive.