noun An instrument with steel pins used to comb out flax or hemp. .mw-parser-output .defdate{font-size:smaller}
noun One of the long, narrow feathers on the neck of birds, most noticeable on the rooster.
noun A feather used to make a fishing lure or a fishing lure incorporating a feather.
noun By 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.
noun A type of jagged crack extending inwards from the broken surface of a fractured material.
noun A plate with rows of pointed needles used to blend or straighten hair.
noun A feather plume on some soldier's uniforms, especially the hat or helmet.
noun Any flimsy substance unspun, such as raw silk.