1. A feeling of anger and animosity
   "having one's hackles or dander up";
   - dander
    
2. Erectile hairs along the back of a dog or other animal that rise when the animal is angry or alarmed
   "The dog's hackles rose at the sight of the intruder"

1. Long slender feather on the necks of e.g. turkeys and pheasants
   "The turkey's hackles stood up when it was startled"

1. Comb with a heckle
   "hackle hemp or flax";
   - heckle, hatchel

Type of: anger, choler, comb, ire, plume

Encyclopedia: Hackles