a barb of a feather, used especially in dressing anglers' flies.
an artificial fly dressed with a herl.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use herl in a sentence
Red Clock,—wings and legs red; Peacock's brown herl, and bright red silk for body.
Twitchbell—inside of lightest part of Starling's quill feather for wings, brown hackle for legs, brown Peacock's herl for body.
Body greenish herl of Peacock,—ribbed with gold tinsel,—wrapt with red silk,—red hackle over all.
A brown mallard, or dark hen-pheasant tail for wing, a black hackle for legs, and the necessary peacock-herl body.Prose Idylls | Charles Kingsley
Wind silk floss (E) over the herl about half way up the hook.How to Tie Flies | E. C. Gregg
British Dictionary definitions for herl
the barb or barbs of a feather, used to dress fishing flies
an artificial fly dressed with such barbs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012