Small part in a machine
• To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat. • To obtrude or thrust in, by falsehood or deception; as, to cog in a word; to palm off. • To deceive; to cheat; to play false; to lie; to wheedle; to cajole. • A trick or deception; a falsehood. • A tooth, cam, or catch for imparting or receiving motion, as on a gear wheel, or a lifter or wiper on a shaft; originally, a separate piece of wood set in a mortise in the face of a wheel.