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
Kate Moss embraced the office siren trend in a nipple-baring skirt set at the Tom Ford Womenswear Fall/Winter 2026-2027 show at Paris Fashion Week on Wednesday.
—
Lara Walsh, InStyle, 4 Mar. 2026
Lace your fingers together and push down in the center of the sternum in line with the nipples with the heel of your palm 2 to 2½ inches down.
—Nicole Villalpando, Austin American Statesman, 3 Mar. 2026
Lighter shades aren’t completely opaque, so nipple covers may help, but that didn’t stop me from wearing it on repeat.
—Brigitt Earley, Glamour, 27 Feb. 2026
The first two episodes of Heated Rivalry in particular are a feast of the male body — nipples, abs, hockey butts.
—E. Alex Jung, Vulture, 23 Feb. 2026
See All Example Sentences for nipple
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Lara Walsh, InStyle, 4 Mar. 2026
Lace your fingers together and push down in the center of the sternum in line with the nipples with the heel of your palm 2 to 2½ inches down.
—Nicole Villalpando, Austin American Statesman, 3 Mar. 2026
Lighter shades aren’t completely opaque, so nipple covers may help, but that didn’t stop me from wearing it on repeat.
—Brigitt Earley, Glamour, 27 Feb. 2026
The first two episodes of Heated Rivalry in particular are a feast of the male body — nipples, abs, hockey butts.
—E. Alex Jung, Vulture, 23 Feb. 2026
See All Example Sentences for nipple
Cite this Entry
“Nipple.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nipple. Accessed 9 Mar. 2026.
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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