nipple

noun

nip·​ple ˈni-pəl How to pronounce nipple (audio)
1
: the protuberance of a mammary gland upon which in the female the lactiferous ducts open and from which milk is drawn
2
a
: an artificial teat through which a bottle-fed infant nurses
b
: a device with an orifice through which the discharge of a liquid can be regulated
3
a
: a protuberance resembling or suggesting the nipple of a breast
b
: a small projection through which oil or grease is injected into machinery
4
: a pipe coupling consisting of a short piece of threaded tubing
nippled adjective

Examples of nipple in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The images featured the model and entrepreneur in a sheer white blouse, and several of the photos revealed the outline of her right nipple. Toria Sheffield, PEOPLE, 29 June 2026 Not the family stuff, like Natalie’s spontaneous nipple piercing after making out with Cady’s maybe-daughter, Nevaeh (Malia Pyles), who later murders her own mother after kissing her, for way too long, on the mouth. Roxana Hadadi, Vulture, 26 June 2026 Poopies tries to shave his face as Knoxville zaps him, and later, Steve-O struggles to tattoo a smiley face onto Holmes' nipple as he gets repeatedly buzzed. Wesley Stenzel, Entertainment Weekly, 26 June 2026 Madonna, 67, freed the nipple and narrowly avoided a wardrobe malfunction while stepping out in a blue minidress with an extra-short hemline. Christina Perrier, InStyle, 25 June 2026 See All Example Sentences for nipple

Word History

Etymology

earlier neble, nible, probably diminutive of neb, nib

First Known Use

circa 1510, in the meaning defined at sense 1

Time Traveler
The first known use of nipple was circa 1510

Browse Nearby Words

Cite this Entry

“Nipple.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nipple. Accessed 5 Jul. 2026.

Kids Definition

nipple

noun
nip·​ple ˈnip-əl How to pronounce nipple (audio)
1
: the small protruding part of the gland that in females produces milk and from which a baby or young mammal sucks milk
2
: something resembling a nipple
especially : the mouthpiece of a bottle from which an infant feeds

Medical Definition

nipple

noun
nip·​ple ˈnip-əl How to pronounce nipple (audio)
1
: the protuberance of a mammary gland upon which in the female the lactiferous ducts open and from which milk is drawn
2
a
: an artificial teat through which a bottle-fed infant nurses
b
: a device with an orifice through which the discharge of a liquid can be regulated

More from Merriam-Webster on nipple

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster