n. A shaft fitted with cams; especially one in a piston engine that activates the valves.
the GNU version of the Collaborative International Dictionary of English
n. a shaft that has cams attached to it, forming part of a mechanical device.
The Century Dictionary and Cyclopedia
n. A shaft with cams or wipers used to lift the pestles of stamping-mills.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. has cams attached to it
Word Usage
"Extending immediately below the camshaft is another vertical shaft, driven by bevel gears from the crank-shaft, and terminating in a worm which drives the multiple piston oil pumps."