ˈalyələ noun
( plural alu·lae -ˌlē, -ˌlī)
Etymology: New Latin, from Latin, diminutive of Latin ala wing — more as aisle
1. : bastard wing
2.
a. : a scale-like structure between the base of the wing and the halter of a two-winged fly — called also calypter, squama
b. : a small basal posterior lobe of the wing of a two-winged fly ; also : a similar lobe of the elytron of certain water beetles
• al·u·lar -ələ(r) adjective