axilla Meaning, Definition & Usage

  1. noun the hollow under the arm where it is joined to the shoulder
    axillary fossa; axillary cavity; armpit.
    • they were up to their armpits in water

WordNet

Ax*il"la noun
Etymology
L.
Wordforms
plural Axillae
Definitions
  1. (Anat.) The armpit, or the cavity beneath the junction of the arm and shoulder.
  2. (Bot.) An axil.

Webster 1913