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
Ticks prefer warm, damp and dark areas of the body, such as behind the knees or under the armpits, making their presence sometimes difficult to detect.
—Tiffany Acosta, The Arizona Republic, 18 June 2024
The odor seemed to be concentrated not in the armpits, as the researchers had anticipated, but at the neckline.
—Scott Sayare Robert Petkoff Anna Diamond Quinton Kamara, New York Times, 14 June 2024
The fundamental odor unique to each of us — not the stuff coming out of our armpits, but the rest of the aromas our bodies make — is part of our identity, says Everts.
—Keren Landman, Vox, 20 May 2024
The attacker sunk his blade 2 inches into Hopkins’ neck, slicing through his tongue, and also stabbed him below the right armpit, plunging the knife more than 4 inches deep, Kenny said.
—John Annese, New York Daily News, 19 Feb. 2024
See all Example Sentences for armpit 
Tiffany Acosta, The Arizona Republic, 18 June 2024
The odor seemed to be concentrated not in the armpits, as the researchers had anticipated, but at the neckline.
—Scott Sayare Robert Petkoff Anna Diamond Quinton Kamara, New York Times, 14 June 2024
The fundamental odor unique to each of us — not the stuff coming out of our armpits, but the rest of the aromas our bodies make — is part of our identity, says Everts.
—Keren Landman, Vox, 20 May 2024
The attacker sunk his blade 2 inches into Hopkins’ neck, slicing through his tongue, and also stabbed him below the right armpit, plunging the knife more than 4 inches deep, Kenny said.
—John Annese, New York Daily News, 19 Feb. 2024
See all Example Sentences for armpit
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'armpit.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Armpit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armpit. Accessed 2 Jul. 2024.
Copy CitationKids Definition
armpit
noun
arm·pit
ˈärm-ˌpit 
: the hollow beneath the spot where the arm and shoulder join
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