Definition

The area under the arm where it meets the shoulder, often referred to as the armpit.

Example

She applied deodorant to her armpit before going out.

Conversation

I just read that the armpit is actually a really sensitive area of the body.

Really? I never thought about it that way!

Yeah, it makes sense since there are so many nerves there.

That’s true! I guess we should take good care of our armpits!

Synonyms & Antonyms

Root Explanation

Armpit → The word 'armpit' is formed from 'arm' (from Old English 'earm', meaning the upper limb) and 'pit' (from Old English 'pytt', meaning a hole or hollow). The term 'armpit' refers to the hollow or pit under the arm.

Memory Tip

Think of the 'hollow' ('pit') under your 'arm' — that's what an armpit is.

Visually Confused Words