Definition of "heckle"

(transitive) To question harshly in an attempt to find or reveal weaknesses.  examples

(transitive) To insult, tease, make fun of or badger, especially during a comedy performance.  examples

(textiles) To prepare flax for spinning using special combs called hackles  examples

Alternative form of hackle (“tool for separating flax”)  examples

The long shining feathers on a cock's neck.  examples

A feather ornament in the full-dress bonnets of Highland regiments.  examples

An interruption during a show, especially a comedy performance  examples