cogwheel

Plural: cogwheels

Noun

• A wheel with cogs or teeth that mesh with others.
• 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.

Examples

• Each letter in a high-scoring word functions like a COGWHEEL, interlocking perfectly.

Synonyms

gear, gear wheel, geared wheel, gearwheel