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

Reagan was struck below his left armpit, the bullet lodged an inch from his heart. —ABC News, 26 Apr. 2026

Ross then pulled a gun out of his fanny pack and blasted Garcia De Jesus in the left armpit, according to a criminal complaint and officials. —Nicholas Williams, New York Daily News, 25 Apr. 2026

For pets, inspect their entire bodies, especially around the ears, eyes, armpits, tail and toes. —Arricca Elin Sansone, Southern Living, 25 Apr. 2026

The driver of the tow truck was still in the vehicle when officers arrived, suffering from a gunshot wound in his torso near his armpit, police said in a probable cause statement. —Kendrick Calfee, Kansas City Star, 24 Apr. 2026

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