COG
none. 1 each of a series of projections on the edge of a wheel or bar transferring motion by engaging with another series. 2 unimportant member of an organization etc. [probably scandinavian]
none. 1 each of a series of projections on the edge of a wheel or bar transferring motion by engaging with another series. 2 unimportant member of an organization etc. [probably scandinavian]