arm·​pit | \ ˈärm-ˌpit How to pronounce armpit (audio) \

Definition of armpit

1 : the hollow beneath the junction of the arm and shoulder
2 : the least desirable place : pit 77th Street Station … was the armpit of detective duty— Joseph Wambaugh

Examples of armpit in a Sentence

a city described as the armpit of America
Recent Examples on the Web Regional may be used when the lymph nodes, primarily those in the armpit, are involved. Gabriela Miranda, USA TODAY, 11 Sep. 2021 One hit his right armpit, where the bullet proof vest didn’t cover him. Teri Figueroa, San Diego Union-Tribune, 17 Aug. 2021 The man, who has not been identified, was found with a gunshot wound to his left armpit. Emily Opilo,, 22 Aug. 2021 Pubic, leg, and armpit hair all get fairly regular moments in the selling-you-something spotlight these days. Sara Radin, Allure, 16 Aug. 2021 The weight of her body rests on the crutch nestled in her left armpit. Sarah Blackwood, The New Yorker, 18 July 2021 Ilse Salberg’s close-up (1938) of a man’s muscular shoulder and chest focuses lewdly on the wispy strands of hair peeking out of his armpit. Richard B. Woodward, WSJ, 17 July 2021 Keith was shot once in the upper back portion of his left side, under his armpit, Pierson said. Adam Ferrise, cleveland, 9 July 2021 Ashley Graham, Amanda Steinberg, and Willow Smith have also publicly shown their armpit hair. Korin Miller,, 17 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'armpit.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of armpit

14th century, in the meaning defined at sense 1

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The first known use of armpit was in the 14th century

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Last Updated

19 Sep 2021

Cite this Entry

“Armpit.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2021.

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More Definitions for armpit



English Language Learners Definition of armpit

: the hollow area on a person's body beneath the place where the arm and the shoulder meet
: the worst area in a place


arm·​pit | \ ˈärm-ˌpit How to pronounce armpit (audio) \

Kids Definition of armpit

: the hollow under a person's arm where the arm joins the shoulder


arm·​pit | \ ˈärm-ˌpit How to pronounce armpit (audio) \

Medical Definition of armpit

: the hollow beneath the junction of the arm and shoulder : axilla


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