barbule

bar·bule (bär′byo̵̅o̅l′)

noun

any of the threadlike parts fringing each side of the barb of a feather

Etymology: L barbula, dim. of barba, beard

Adjective modifier

adjacent: The barbs possess further branches called the barbules, and adjacent barbules are attached to one another by hooks which stiffen the vane.

Browse dictionary entries near barbule