Definition of hackles noun from the Oxford Advanced Learner's Dictionary

 

hackles

 noun
noun
BrE BrE//ˈhæklz//
 
; NAmE NAmE//ˈhæklz//
 
[plural] Parts of animals
 
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  • the hairs on the back of the neck of a dog, cat, etc. that rise when the animal is afraid or angry See related entries: Parts of animals
  • Word Origin late Middle English (in sense (2)): variant of hatchel.Idioms
    somebody’s hackles rise
     
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    to become angry Ben felt his hackles rise as the speaker continued.
    make somebody’s hackles rise, raise somebody’s hackles
     
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    to make somebody angry Her controversial article is bound to raise hackles.
    See the Oxford Advanced American Dictionary entry: hackles