- 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.
- a membranous lobe at the base of each wing of a dipterous insect.
Origin of alula
Examples from the Web for alula
Historical Examples of alula
Calypter: Diptera; the alula or squama when it covers the haltere.
Dead and wounded alike were horribly mutilated by order of Alula.
Axillary lobe: the sclerite covering the base of the wing in Diptera; see also alula and posterior lobe.
Axillary incision: Diptera; an incision on inner margin of wing, near base, which separates the alula from the main part.
- another name for bastard wing