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Definition of nipple

nipple

/ˈnɪp.əl/
nip · ple
Plural:nipples
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nipple Lexical Profile

nipple Game Scores & Validity

• noun

1

The small, pigmented projection on the surface of the breast or mammary gland in mammals, containing the outlets for the milk ducts in females.

Example

"The newborn calf instinctively searched for its mother's nipple to nurse."

2

North American A flexible rubber or silicone mouthpiece fitted onto a baby's feeding bottle through which the infant sucks milk or formula.

Example

"Before feeding the infant, she sterilized the bottle and its silicone nipple in boiling water."

3

A short piece of metal pipe with external screw threads at both ends used for connecting two plumbing fittings, or a small projecting valve for discharging fluid or applying grease.

Example

"The plumber used a brass nipple to join the two sections of the water supply line."

Synonyms
View all synonyms for nipple

• Rhymes for nipple

• Nearby Words

nipper
nippers
nippiness
nipple
nippled
nippleless
nippon

Word Origin & Etymology

First recorded in the 16th century as 'neble' or 'nibell', likely representing a diminutive form of 'neb' (meaning a beak, nose, or pointed tip), which derives from Old English 'nebb'.

Cite this Entry

Wordmom. (2026). Definition of Nipple. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/nipple
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