teether

/ˈtiðər/
noun
  1. A small object, often made of rubber or plastic, that babies chew on to soothe their gums while teething.
    • Some teethers can be chilled in the refrigerator to provide extra relief.
    • I bought a silicone teether shaped like a giraffe for my nephew.
    • The baby dropped her teether on the floor, so I had to wash it.
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