bastard wing

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bastard wing

n. See alula.

bastard wing

n (Zoology) a tuft of feathers attached to the first digit of a bird, distinct from the wing feathers attached to the other digits and the ulna. Also called: alula

al•u•la

(ˈæl yə lə)

n., pl. -lae (-ˌli) 1. Also called bastard wing , winglet. a group of small, relatively stiff feathers at the inner end of a bird's wing. 2. a membranous lobe at the base of each wing of a dipterous insect. [1765–75; < New Latin, diminutive of Latin āla wing; see ala, -ule]

Thesaurus

Noun	1.bastard wing - tuft of small stiff feathers on the first digit of a bird's wingspurious wing, alulafeather, plumage, plume - the light horny waterproof structure forming the external covering of birdswing - a movable organ for flying (one of a pair)