axilla

(ak silə)

noun pl. axillae or axillas

  1. the armpit
  2. Bot. an axil

Origin: L, armpit: see axis

See axilla in American Heritage Dictionary 4

noun pl. ax·il·lae (-sĭlˈē)
  1. The armpit.
  2. A body part analogous to the armpit, such as the hollow under a bird's wing.

Origin:

Origin: Latin

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