plural nipples
1
: either one of the two small, round parts on a person's chest that are darker in color than the area around them
2
US
: a rubber or plastic device that is attached to a bottle and that has a small opening from which a baby can suck milk
called also (British) teat
Cite this Entry
“Nipple.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/nipple. Accessed 15 Jun. 2026.
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