nipple

noun

nip·​ple ˈni-pəl 

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

ˈni-pəld 

adjective

Examples of nipple in a Sentence

Recent Examples on the Web

Freitas has embraced Mugler’s penchant for provocation and powerful femininity, bringing back linebacker shoulders and styles like the nipple-ring dress worn by Chappell Roan at this year’s Grammys. — Joelle Diderich, Footwear News, 23 July 2026

Symptoms can include a lump in the armpit, dimpled skin on the chest, red or flaky skin near the nipple, pain or tenderness on the chest or armpit, clear or bloody nipple discharge and an inverted nipple, per the Cleveland Clinic. — Toria Sheffield, PEOPLE, 18 July 2026

The Euphoria actress freed the nipple in the sheer lace bodysuit, showing off the revealing design’s plunging chest cutout in a sultry video. — Lara Walsh, InStyle, 12 July 2026

Chrissy Teigen is addressing criticism after sharing photos featuring a visible nipple. — Shania Russell, Entertainment Weekly, 29 June 2026

Word History

Etymology

earlier neble, nible, probably diminutive of neb, nib

First Known Use

circa 1510, in the meaning defined at sense 1

Rhymes for nipple

• cripple
• ripple
• stipple
• tipple
• triple
• participle

Kids 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