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

According to the Mayo Clinic, restorative 3-D tattooing is a paramedical technique that uses shading and color blending to create a fake but realistic-looking nipple and areola. —Lexi Lane, PEOPLE, 19 Apr. 2026

Lyonne's appearance at the Lorne premiere comes just days after the actress freed the nipple in a sheer bodysuit and corset hot pants at the Euphoria season 3 premiere in Hollywood. —Chanel Vargas, InStyle, 10 Apr. 2026

Best Nipple Butter Cracked and sore nipples are no match for this smooth and creamy nipple butter. —Pamela Brill, Parents, 7 Apr. 2026

The pouch—or marsupium, from which the group takes its name—is a flap of skin covering the nipples. —Encyclopedia Britannica, 2 Apr. 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
• schizotypal

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