underarm

[ uhn-der-ahrm ]

adjective

1. of, situated, or for use under the arm or in the armpit:

   an underarm deodorant.

2. underhand:

   an underarm pitch in softball.

noun

1. armpit.

adverb

1. underhand.

underarm

/ ˈʌndərˌɑːm /

adjective

1. (of a measurement) extending along the arm from wrist to armpit
2. sport of or denoting a style of throwing, bowling, or serving in which the hand is swung below shoulder level
3. below the arm

adverb

1. in an underarm style

Word History and Origins

Origin of underarm¹

First recorded in 1810–20; under- + arm ¹

Example Sentences

Padel balls are smaller than those used in tennis and players serve underarm.

From BBC

They can be found anywhere on the human body, but common spots include around the waist, behind the knees, between fingers and toes, on underarms, in the belly button and around the neck or hairline.

From Seattle Times

I had never seen the bare underarms of a girl before.

From Literature

Maybe it’s a puberty thing, like acne and underarm hair.

From Literature

Once he was sure of his balance, he stumbled forward, exposed hands buried in his underarms to try to regain some feeling.

From Literature