hackles
n[pl]
1 long feathers on the neck of the domestic cock, etc or hairs on the neck of a dog (雄雞等家禽頸上的)長羽毛; (狗的)頸部的毛.
2 (idm 習(xí)語) make sb's `hackles rise/raise sb's `hackles make sb angry 激怒某人. with one's `hackles up angry and ready to fight 怒氣沖沖地要動武.