The cavity beneath the junction of the arm and shoulder.
(transitive) To hug with the arms, or support by taking the arm of.
Somewhere or something considered unpleasant or undesirable.
‘the armpit of America’;
The armpit; also, the arm.
The hollow beneath the junction of the arm and shoulder; the axilla.
the hollow under the arm where it is joined to the shoulder;
‘they were up to their armpits in water’;
a hollow under the arm at the shoulder.
a place regarded as extremely unpleasant
‘they call the region the armpit of America’;