Noun
coarse hairs that form the outer fur and protect the underfur of certain mammals
Source: WordNetThe guard hair is convert over most of the body. citation Polar bears gradually moult from May to August, Kolenosky G. B. 1987. Source: Internet
The animal lacks under hair, and guard hair differs little from over hair. Source: Internet
The coarser outer guard hair is used for rugs, wall-hangings and lead ropes. Source: Internet