Etymology From under- + arm. The armpit sense is not old, historically speaking (1920s), and it is believed to have arisen as a euphemism in advertising.
1
Often The armpit.
underarm deodorant
2
Ball games, Cricket, Games, Hobbies, Lifestyle, Sports Old-fashioned and now outlawed style of bowling in which the arm is not swung over the shoulder.
Etymology From under- + arm. The armpit sense is not old, historically speaking (1920s), and it is believed to have arisen as a euphemism in advertising.
1
For use under the arm.
A 1997 study found that about 104 million American women were using underarm deodorant products.2001, Victoria Sherrow, For appearance' sake:
Etymology From under- + arm. The armpit sense is not old, historically speaking (1920s), and it is believed to have arisen as a euphemism in advertising.