armpit

noun

arm·​pit ˈärm-ˌpit 

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

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

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for armpit

• acquit
• admit
• amrit
• backlit
• befit
• cockpit
• commit
• dalit
• dendrite
• emit
• illite
• misfit

Kids Definition

armpit

noun

arm·​pit ˈärm-ˌpit 

: the hollow beneath the spot where the arm and shoulder join

Medical Definition

armpit

noun

arm·​pit ˈärm-ˌpit 

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