Cogwheel and Rack

Cogwheel noun - A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion.

Rack and cogwheel are semantically related. in main part of device topic. In some cases you can use "Rack" instead a noun "Cogwheel".

Rack noun - A place set aside for sleeping.

Cogwheel and rack are semantically related. Sometimes you can use "Cogwheel" instead a noun "Rack".

Nearby Words: racked, racking