n.
Pronunciation: ag- ' zi-l ə , ak- ' si-
Function: noun
Inflected Form: plural -lae \ -( ˌ )l ē , - ˌ l ī \ or -las
Etymology: Latin, diminutive of ala wing, upper arm, armpit, axil ― more at AISLE
Date: 1616
: the cavity beneath the junction of a forelimb and the body especially : ARMPIT