In the late 14th century, "armhole" was the preferred term. Nowadays, the technical term is axilla or axillary fossa.
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"Pit" is a commonly used dialect word for armpit.
armpit
Its "Pacha"
Axillary means pertaining to the armpit. Axilla is commonly used to mean armpit in the US, but in UK another name for the armpit is the oxter.axilla = armpits
axilla
To say "armpit" in Tagalog, you would use the word "kili-kili".
The axillary.
There are no perfect rhymes for the word armpits.
apples armpit argues asking
With armpit hair he he he I'm drunk
no the axillary is part of the appendicular region.
In the two types of GaelicIrish: ascaillScottish Gaelic: ?Oxter