Definitions
1.NounAn instrument with steel pins used to comb out flax or hemp. .mw-parser-output .defdate{font-size:smaller}
2.NounOne of the long, narrow feathers on the neck of birds, most noticeable on the rooster.
3.NounA feather used to make a fishing lure or a fishing lure incorporating a feather.
4.NounBy extension (because the hackles of a rooster are lifted when it is angry), the hair on the nape of the neck in dogs and other animals; also used figuratively for humans."When the dog got angry, his hackles rose and he growled."
5.NounA type of jagged crack extending inwards from the broken surface of a fractured material.
6.NounA plate with rows of pointed needles used to blend or straighten hair.
7.NounA feather plume on some soldier's uniforms, especially the hat or helmet.
8.NounAny flimsy substance unspun, such as raw silk.
9.NounPluck; courage or energy.
10.VerbTo dress (flax or hemp) with a hackle; to prepare fibres of flax or hemp for spinning.
11.VerbTo separate, as the coarse part of flax or hemp from the fine, by drawing it through the teeth of a hackle or hatchel.
12.VerbTo tear asunder; to break into pieces.