Underarm vs. Armpit
Difference Between Underarm and Armpit
The cavity beneath the junction of the arm and shoulder.
(cricket) Old-fashioned and now outlawed style of bowling in which the arm is not swung over the shoulder.
Somewhere or something considered unpleasant or undesirable.the armpit of America
For use under the arm.
the hollow under the arm where it is joined to the shoulder;they were up to their armpits in water
(transitive) To supply with insufficient weaponry.
with hand brought forward and up from below shoulder level;an underhand pitchan underhand stroke
with the hand swung below shoulder level';throwing a ball underarm