cogwheel

Noun

a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
A gear wheel.
Something behaving in a jerky manner similar to a cogwheel, e.g. cogwheel respiration as a side effect of hyperbaric medicine.

Origin / Etymology

From cog + wheel.

Synonyms

gear, gear wheel, geared wheel, gearwheel

Scrabble Score: 17

cogwheel is a valid Scrabble (US) TWL word
cogwheel is a valid Scrabble Word in Merriam-Webster MW Dictionary
cogwheel is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 19

cogwheel is a valid Words With Friends word