armpit
arm-pit
noun
The hollow area under the arm, joining the shoulder.
"She applied deodorant to her armpits."
Thesaurus
Synonyms: axillary fossa, axilla, axillary cavity
arm-pit
The hollow area under the arm, joining the shoulder.
"She applied deodorant to her armpits."
Synonyms: axillary fossa, axilla, axillary cavity