Small part of a system (3)
I believe the answer is:
cog
(Other definitions for cog that I've seen before include "Projection on a toothed wheel" , "Minor person in organisation" , "Little gearwheel" , "Gear-tooth" , "Small gear-wheel" .)
I believe the answer is:
cog
(Other definitions for cog that I've seen before include "Projection on a toothed wheel" , "Minor person in organisation" , "Little gearwheel" , "Gear-tooth" , "Small gear-wheel" .)