咯肢窝,腋窝
Axilla \Ax*il"la\, n.; pl. {Axillae}. [L.] (Anat.) The armpit, or the cavity beneath the junction of the arm and shoulder. 2. (Bot.) An axil.
axilla n : the hollow under the arm where it is joined to the shoulder; "they were up to their armpits in water" [syn: {armpit}, {axillary cavity}, {axillary fossa}] [also: {axillae} (pl)]