pacifier

[pas-uh-fahy-er] /ˈpæs əˌfaɪ ər/
noun
1.
a person or thing that pacifies.
2.
a rubber or plastic device, often shaped into a nipple, for a baby to suck or bite on.
Origin
1525-35; pacify + -er1
Examples from the web for pacifier
  • Includes a zoo and a pacifier pit where kids ceremoniously part with their sucking equipment.
  • Lying in her crib with a pacifier close at hand, she gave a couple of gaping yawns.
  • The only safe pacifier is the simple one-piece type, according to a consumer group.
  • Have her suck on a pacifier or a bottle to help her ears to pop.
  • pacifier use in the neonatal period should be avoided.
British Dictionary definitions for pacifier

pacifier

/ˈpæsɪˌfaɪə/
noun
1.
a person or thing that pacifies
2.
(US & Canadian) a baby's dummy or teething ring
Word Origin and History for pacifier
n.

"one who pacifies or appeases," 1530s, agent noun from pacify. The meaning "nipple-shaped device for babies" is first recorded 1904.