axillary cavity

Thesaurus

Noun

1.

axillary cavity - the hollow under the arm where it is joined to the shoulder; "they were up to their armpits in water"armpit, axilla, axillary fossabodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the bodyarteria 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 belowshoulder - the part of the body between the neck and the upper arm