A decorative bow worn in the hair.

plural of hairball

plural of hairbow

the width of a hair, a very short distance or a very small amount

A very short distance or a very small amount (as is the width of a hair).

plural of hairbreadth

Cloth made of the mane or tail hairs of a horse.

plural of haircloth

(mathematics) A theorem stating that there is no nonvanishing continuous tangent vector field on the sphere; colloquially, that "you can't comb a hairy ball flat without creating a cowlick".

plural of haircut