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n. pl. ax·il·lae (-sĭl′ē)
1. The armpit.
2. A body part analogous to the armpit, such as the hollow under a bird's wing.
n, pl -lae (-liː)
1. (Anatomy) the technical name for the armpit
2. (Zoology) the area on the undersurface of a bird's wing corresponding to the armpit
[C17: from Latin: armpit]
n., pl. ax•il•lae (ækˈsɪl i)
1. the armpit.
2. the corresponding region under the wing of a bird.
[1610–20; < Latin]
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|Noun||1.||axilla - the hollow under the arm where it is joined to the shoulder; "they were up to their armpits in water"|
arteria axillaris, axillary artery - the part of the main artery of the arm that lies in the armpit and is continuous with the subclavian artery above and the brachial artery below
shoulder - the part of the body between the neck and the upper arm