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
Joseph WambaughExamples of armpit in a Sentence
a city described as the armpit of America
Recent Examples on the Web
But, unlike most glands, including the apocrine glands in human armpits, they are not connected to the secretions of the body that houses them, and so might be better described as pockets.
—Literary Hub, 19 Sep. 2025
Not just your armpits—your entire body, head to toe, absolutely reeks.
—Franklin Schneider, The Atlantic, 16 Sep. 2025
Paula Cole, who won the 1998 best new artist Grammy, was mocked by Jay Leno and others for performing on stage during the music industry’s biggest night with unshaven armpits.
—Etan Vlessing, HollywoodReporter, 12 Sep. 2025
Often overlooked and also categorized with fetishism (also known as axilism), armpits are sensitive to both light and firm touch.
—Essence, 11 Sep. 2025
See All Example Sentences for armpit
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Literary Hub, 19 Sep. 2025
Not just your armpits—your entire body, head to toe, absolutely reeks.
—Franklin Schneider, The Atlantic, 16 Sep. 2025
Paula Cole, who won the 1998 best new artist Grammy, was mocked by Jay Leno and others for performing on stage during the music industry’s biggest night with unshaven armpits.
—Etan Vlessing, HollywoodReporter, 12 Sep. 2025
Often overlooked and also categorized with fetishism (also known as axilism), armpits are sensitive to both light and firm touch.
—Essence, 11 Sep. 2025
See All Example Sentences for armpit
Cite this Entry
“Armpit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armpit. Accessed 23 Sep. 2025.
Copy CitationKids Definition
armpit
noun
arm·pit
ˈärm-ˌpit 
: the hollow beneath the spot where the arm and shoulder join
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