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
Examples of nipple in a Sentence
Recent Examples on the Web
That’s where a sticky bra comes in, and these TikTok-viral Cakes nipple covers are our go-tos.
—
Malia Griggs, Glamour, 25 Dec. 2025
Likewise, the skin around the nipples may become dry or irritated from frequent washing or friction when breastfeeding.
—Sherri Gordon, Parents, 22 Dec. 2025
Other reasons for dry skin on your breasts and nipples could include cold or dry air, irritating fragrances or body products, and overly hot showers, say our dermatologists.
—Annie Blay-Tettey, Allure, 19 Dec. 2025
The ankle-length piece featured a fuzzy texture and gold nipple buttons.
—Catherine Santino, PEOPLE, 18 Dec. 2025
See All Example Sentences for nipple
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Malia Griggs, Glamour, 25 Dec. 2025
Likewise, the skin around the nipples may become dry or irritated from frequent washing or friction when breastfeeding.
—Sherri Gordon, Parents, 22 Dec. 2025
Other reasons for dry skin on your breasts and nipples could include cold or dry air, irritating fragrances or body products, and overly hot showers, say our dermatologists.
—Annie Blay-Tettey, Allure, 19 Dec. 2025
The ankle-length piece featured a fuzzy texture and gold nipple buttons.
—Catherine Santino, PEOPLE, 18 Dec. 2025
See All Example Sentences for nipple
Cite this Entry
“Nipple.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nipple. Accessed 28 Dec. 2025.
Copy CitationKids Definition
nipple
noun
nip·ple
ˈnip-əl 
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
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
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