n.
Pronunciation: ' al-y ə -l ə
Function: noun
Inflected Form: plural -lae \ - ˌ l ē , - ˌ l ī \
Etymology: New Latin, from Latin, diminutive of ala wing ― more at AISLE
Date: 1772
: the process of a bird's wing corresponding to the thumb and bearing a few short quills ― called also bastard wing