nipple Hear it!

nipple definition

nip·ple (nipəl)

noun

  1. the small protuberance on a breast or udder through which, in the female, the milk passes in suckling the young; teat
  2. an artificial teatlike part, as of rubber, in the cap of a baby's nursing bottle
  3. any projection, part, or thing resembling the nipple of a breast in shape or function; specif.,
    1. a short piece of pipe with both ends threaded
    2. a projection with a small opening through which a liquid or grease can be forced

Etymology: earlier neble, prob. dim. of neb

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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