ALL meanings of alula
al·u·la
A a - noun alula the terminal part of a bird's wing corresponding to the thumb, consisting of two or more quills; bastard wing 3
- noun plural alula Also called bastard wing, spurious wing. the group of three to six small, rather stiff feathers growing on the first digit, pollex, or thumb of a bird's wing. 1
- noun plural alula a membranous lobe at the base of each wing of a dipterous insect. 1
- noun alula Bastard wing. A small projection on the anterior edge of the wing on some birds. 1