Noah Webster's 1828 American Dictionary of the English Language is regarded by many as the finest English
dictionary ever published. The dictionary is available in many forms. I made the content available here for my own purposes,
out of personal admiration for this particular dictionary.
HACK'LE, v.t. 1. To comb flax or hemp; to separate the coarse part of these substances from the fine, by drawing them through the teeth of a hatchel. 2. To tear asunder. HACK'LE, n. A hatchel. The latter word is used in the U. States. 1. Raw silk; any flimsy substance unspun. 2. A fly for angling, dressed with feathers or silk.
hackle appears in definitions for these words: HeckleStrike