MEANING: noun: 1. Hairs or feathers on the neck or back of some animals that stand up when the animal is agitated.
2. Temper; anger.
3. A comb for dressing fiber.
verb tr.: To comb flax, hemp, or other fibers with a hackle.

ETYMOLOGY: Either a variant of heckle, from Middle English hechelen (to comb flax) or from Old English hacele (coat, cloak). Earliest documented use: 900.

AHA!CKLE - the sound you make when you finally realize why that joke is funny, after all

HACKLET - a child-sized cab

HICKLE - a singultus, barely contained