Word Study
armpit
CIDE DICTIONARY
armpit, n. [Arm + pit.].
The hollow beneath the junction of the arm and shoulder; the axilla. [1913 Webster]
OXFORD DICTIONARY
armpit, n.
1 the hollow under the arm at the shoulder.
2 US colloq. a place or part considered disgusting or contemptible (the armpit of the world).
1 the hollow under the arm at the shoulder.
2 US colloq. a place or part considered disgusting or contemptible (the armpit of the world).
For further exploring for "armpit" in Webster Dictionary Online
