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axel
Axel Heiberg Island
axenic
axes
axial
axial plane
axial skeleton
axil
axilla
axillar
axillary
axinite
axiology
axiom
axiomatic
axion
Axis
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axilla

ax·il·la [ ak síllə ] (plural ax·il·lae [ ak síllee ])


noun 
Definition:
 
1. armpit: a person's armpit ( technical )

2. hollow under bird's wing: the hollow underneath the wing of a bird

[Early 17th century. < Latin, "little wing" < ala "wing, upper arm"]
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