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Valid in Scrabble US · 18 points
4 synonyms in 1 meaning · 2 playable in Scrabble US
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
Also: gear wheel, geared wheel.
Up to 15 letters. Type ? or a space for a blank tile, up to two.
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Dictionary: official Scrabble dictionary (US), UK Scrabble Dictionary, Words with Friends ENABLE