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
Treating hyperpigmentation in the armpits involves addressing any potential underlying conditions.
—Heather Jones, Verywell Health, 23 Jan. 2025
Options from The North Face and Salomon have zippers in the armpits and at your sides to cool down on the lifts.
—Irene Kim, Vogue, 17 Jan. 2025
Called apocrine glands, they are primarily concentrated in the armpits and around the groin.
—Amanda Schupak, CNN, 12 Jan. 2025
The armpit zippers were great at offering breathability and reducing heat buildup while skiing.
—Grace Smith, People.com, 8 Jan. 2025
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Heather Jones, Verywell Health, 23 Jan. 2025
Options from The North Face and Salomon have zippers in the armpits and at your sides to cool down on the lifts.
—Irene Kim, Vogue, 17 Jan. 2025
Called apocrine glands, they are primarily concentrated in the armpits and around the groin.
—Amanda Schupak, CNN, 12 Jan. 2025
The armpit zippers were great at offering breathability and reducing heat buildup while skiing.
—Grace Smith, People.com, 8 Jan. 2025
See all Example Sentences for armpit
Articles Related to armpit
Dictionary Entries Near armpit
Cite this Entry
“Armpit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armpit. Accessed 20 Feb. 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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