Definitions for hairclothˈhɛərˌklɔθ, -ˌklɒθ
Random House Webster's College Dictionary
cloth woven with horsehair or camel's hair, used for upholstery and garments.
Origin of haircloth:
cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments
Cloth made of the mane or tail hairs of a horse.
stuff or cloth made wholly or in part of hair