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mouthguard

From Wiktionary, the free dictionary

English

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Etymology

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From mouth +‎ guard.

Noun

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mouthguard (plural mouthguards)

  1. (US) A device that fits into the mouth over one or both arches of the teeth and usually made of plastic. Such devices may protect against injury during sport or fighting or may serve a medical purpose.

Synonyms

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Translations

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