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waterpick

[waw-ter-pik, wot-er-]
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noun
  1. a portable electric appliance that uses a stream of water under force to remove food particles from between the teeth and to massage the gums.

Origin of waterpick

water + pick2; earlier as Water Pik a trademark (1963)
Also called waterjet.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018