- alar (adj.)[alar 词源字典]
- "wing-like," c. 1840; "of or pertaining to wings," 1847, from Latin alaris, from ala "wing, armpit, wing of an army" (source of Spanish ala, French aile), from *axla, originally "joint of the wing or arm;" from PIE *aks- (see axis).[alar etymology, alar origin, 英语词源]