Dictionary.com

armpit

[ ahrm-pit ]
/ ˈɑrmˌpɪt /
Save This Word!

noun
the hollow under the arm at the shoulder; axilla.
Slang. the worst possible place or area: Their car has broken down, stranding them in the armpit of California until it can be fixed.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?

Origin of armpit

First recorded in 1300–50; Middle English; arm1 + pit1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use armpit in a sentence

British Dictionary definitions for armpit

armpit
/ (ˈɑːmˌpɪt) /

noun
the small depression beneath the arm where it joins the shoulderTechnical name: axilla Related adjective: axillary
slang an extremely unpleasant placethe armpit of the Mediterranean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for armpit

armpit
[ ärmpĭt′ ]

n.
The hollow under the upper part of the arm below the shoulder joint, bounded by the pectoralis major, the latissimus dorsi, the anterior serratus muscles, and the humerus, and containing the axillary artery and vein, the infraclavicular part of the brachial plexus, lymph nodes and vessels, and areolar tissue.axilla axillary fossa
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK