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
You’re supposed to put on a sports bra, and then insert the sizers, aligning the nipples with your own.
—
Dory Zayas, Allure, 29 Aug. 2025
The boy mom also shared her top practical items, like Silverette nipple cups and Momcozy's M5 Pumps, as well as important items for the baby, like Coterie's wipes and diapers, a Bumpsuit baby carrier and Weleda diaper cream.
—Kayla Grant, People.com, 28 Aug. 2025
Common issues include challenges with the baby latching onto your nipple, sore nipples, low milk supply, thrush, plugged milk ducts, inflammation of the breast (mastitis), and inverted nipples.
—Elizabeth Ayoola, Essence, 27 Aug. 2025
Mummies are usually kept under wraps, but Brendan Fraser recently recalled that his The Mummy costar John Hannah's nipples were right out in the open for a hungry horse to munch on during production of the 1999 blockbuster.
—EW.com, 22 Aug. 2025
See All Example Sentences for nipple
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Dory Zayas, Allure, 29 Aug. 2025
The boy mom also shared her top practical items, like Silverette nipple cups and Momcozy's M5 Pumps, as well as important items for the baby, like Coterie's wipes and diapers, a Bumpsuit baby carrier and Weleda diaper cream.
—Kayla Grant, People.com, 28 Aug. 2025
Common issues include challenges with the baby latching onto your nipple, sore nipples, low milk supply, thrush, plugged milk ducts, inflammation of the breast (mastitis), and inverted nipples.
—Elizabeth Ayoola, Essence, 27 Aug. 2025
Mummies are usually kept under wraps, but Brendan Fraser recently recalled that his The Mummy costar John Hannah's nipples were right out in the open for a hungry horse to munch on during production of the 1999 blockbuster.
—EW.com, 22 Aug. 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 10 Sep. 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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