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
For most racers, nipples bear the brunt of it, channeling chafage on a level us normal mile loggers can’t fully grasp.
—
Kade Krichko, Outside Online, 22 July 2025
She's got cuts and abrasions over 90 percent of her body and one nipple appears to have been partially torn off.
—Lydia Patrick, MSNBC Newsweek, 3 July 2025
The nipple and areola work would, indeed, cycle through with all the rest.
—Gary Baum, HollywoodReporter, 16 June 2025
With harmonicas in their mouths, the group's leader touched the glow stick to their nipples, resulting in each man playing a note that matched the letter on their chest.
—Joelle Goldstein, People.com, 11 June 2025
See All Example Sentences for nipple
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Kade Krichko, Outside Online, 22 July 2025
She's got cuts and abrasions over 90 percent of her body and one nipple appears to have been partially torn off.
—Lydia Patrick, MSNBC Newsweek, 3 July 2025
The nipple and areola work would, indeed, cycle through with all the rest.
—Gary Baum, HollywoodReporter, 16 June 2025
With harmonicas in their mouths, the group's leader touched the glow stick to their nipples, resulting in each man playing a note that matched the letter on their chest.
—Joelle Goldstein, People.com, 11 June 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 19 Aug. 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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