pacifier

A pacifier is a soothing device for babies that's made of rubber, silicone, or plastic. If you can picture the cartoon character Maggie Simpson, then you can picture a pacifier.

Most infants are born with a strong need to suck, and many of them suck their own thumbs or fingers to soothe themselves. A pacifier works the same way. While some parents and even doctors worry that continuing to use pacifiers too long can damage babies' developing teeth and palates, such problems are actually very rare. The original meaning of pacifier is "anything (or anyone) that pacifies," from the Latin pacificare, "make peace; calm."

Definitions of pacifier
  1. noun
    device used for an infant to suck or bite on
    synonyms: baby's dummy, comforter, teething ring
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    type of:
    device
    an instrumentality invented for a particular purpose
  2. noun
    anything that serves to pacify
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    type of:
    thing
    an entity that is not named specifically
  3. noun
    someone who tries to bring peace
    synonyms: conciliator, make-peace, peacemaker, reconciler
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    types:
    appeaser
    someone who tries to bring peace by acceding to demands
    type of:
    go-between, intercessor, intermediary, intermediator, mediator
    a negotiator who acts as a link between parties