Pl. -æ. [L., = armpit; dim. of *axula, whence āla: cf. AXLE1. Common in late L. in form ascella.]

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  1.  An armpit.

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1616.  A. Read, Body of Man, 152. The backe part of the shoulder top, called axilla.

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1877.  Roberts, Handbk. Med., I. 113. The eruption appears on the … borders of the axillæ.

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  2.  = AXIL.

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1830.  Lindley, Nat. Syst. Bot., 247. Leaf-buds … in every axilla.

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