underarm

[ uhn-der-ahrm ]

adjective

of, situated, or for use under the arm or in the armpit: an underarm deodorant.
underhand: an underarm pitch in softball.

noun

armpit.

adverb

underhand.

Origin of underarm

First recorded in 1810–20; under- + arm¹

Words Nearby underarm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use underarm in a sentence

Concurrently, the underarm grip may have been used by the rear ranks whose objective relied more on defense rather than offense.
Hoplite: The Remarkable Citizen-Soldier of Ancient Greece | Dattatreya Mandal | August 2, 2022 | Realm of History
The dogs then sniffed cones housing samples of sweat that had been collected from the underarms of volunteers.
To test for COVID-19, a dog’s nose can match a nose swab | Tina Hesman Saey | July 7, 2022 | Science News For Students
The dogs then sniffed cones housing sweat samples collected from human volunteers’ underarms.
Trained dogs sniff out COVID-19 as well as lab tests do | Tina Hesman Saey | June 1, 2022 | Science News
Still, airy stretch-woven nylon panels across the back and underarms dissipate sweat and permit a full range of motion, so testers stayed comfortable in zero-degree temperatures, even when they were huffing and puffing up the skin track.
The Best Jackets of 2022 | jversteegh | October 26, 2021 | Outside Online
Even on the first wear, there was no underarm or neckline chafing.
There’s Never Been a Better Time to Buy a Sustainable Wetsuit | wtaylor | July 23, 2021 | Outside Online

In fitting the outside the back is pinned on to the lining firmly, then the front and finally at the underarm seams.
Textiles and Clothing | Kate Heintz Watson
An underarm dart gives a smooth adjustment over each hip, and in these darts are inserted the back edges of the vest.
Prairie Farmer, Vol. 56: No. 1, January 5, 1884. | Various
Baste seams of sleeve and underarm all in one long seam on right side.
Clothing and Health | Helen Kinne
Mark with tracing or pencil the new seam for underarm if you must change it.
Clothing and Health | Helen Kinne
Baste, with the seams on the outside, shoulder, and underarm seams.
Clothing and Health | Helen Kinne

British Dictionary definitions for underarm

underarm

/ (ˈʌndərˌɑːm) /

adjective

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

below the arm

adverb

in an underarm style

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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