Toothed wheel (3)
'toothed wheel' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cog that I've seen before include "Machine wheel" , "Minor person in organisation" , "bar" , "Junior official" , "One on a gearwheel" .)
'toothed wheel' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ratchet that I've seen before include "One-way-motion toothed wheel" , "One-way toothed wheel" , "Device forcing motion in one direction" , "Device promoting One Direction" , "Make steady progress" .)
'toothed wheel' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for gear that I've seen before include "illegal drugs" , "Equipment; dress" , "Illicit drugs (slang) - kit" , "Equipment - changed in the car?" , "Clothes - equipment - first to fifth in a car?" .)