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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bastard wing - tuft of small stiff feathers on the first digit of a bird's wingbastard wing - tuft of small stiff feathers on the first digit of a bird's wing
feather, plumage, plume - the light horny waterproof structure forming the external covering of birds
wing - a movable organ for flying (one of a pair)
References in periodicals archive ?
During slow flight, birds make use of a special structure called a bastard wing, or alula, which consists of several feathers attached to the first digit of the wing bones.