nipple

The Simple English Wikipedia has an article on:

Nipple

Pronunciation

• IPA ^(key): /ˈnɪ.p(ə)l/

• Audio (US)

  (file)

• Hyphenation: nip‧ple

Noun

Singular nipple

Plural nipples

1. (countable) (anatomy) A nipple is a mammary gland. On female mammals, milk is secreted from it.
   • Synonym: tit
2. (countable) A nipple is an artificial nipple (definition 1) used for bottle-feeding infants.
   • Synonym: teat
3. (countable) A nipple is a mechanical device that allows liquids or gases to pass through in a regulated manner.

• 
  A woman with pierced nipples. (1)
• 
  An artificial nipple. (2)
• 
  Various types of nipples. (3)