Under-arm a. : Done (as bowling) with the arm not raised above the elbow, that is, not swung far out from the body; underhand. Cf. Over-arm and Round-Arm.

Example:
Is the ingredient aluminum in under arm deodorant the same aluminum of in metal?

Taxonomy
athletic apparel, fitness clothes, athletic shoes, sports clothing, athletic footwear, sports apparel, womens fitness, Fitness clothing, training gear, one place, performance gear, football, baseball, basketball.

Defination from the web:
Fitness clothing, athletic shoes and training gear at one place. Find performance gear for football, baseball, basketball, fitness training and more at underarmour.com.