herl(redirected from herls)
Related to herls: heels
The barb of a feather used in trimming an artificial fly for angling.
[Middle English herle, a strand or twist of hair.]
1. (Angling) the barb or barbs of a feather, used to dress fishing flies
2. (Angling) an artificial fly dressed with such barbs
[C15: from Middle Low German herle, of obscure origin]