horrent
adjective
hor·rent ˈhȯr-ənt 
ˈhär-
1
archaic : covered with bristling points : bristled
2
archaic : standing up like bristles : bristling
Word History
Etymology
borrowed from Latin horrent-, horrens, present participle of horrēre "to be stiffly erect, bristle" — more at horror entry 1
First Known Use
1667, in the meaning defined at sense 1