Stēam'-hăm'mer, n.

n. A form of tilt or forgehammer, consisting of a steam-cylinder and piston placed vertically over an anvil, the hammer rising and falling by the power of steam.

☞ In the variety known as Nasmith's, the cylinder is fixed, and the hammer is attached to the piston-rod. In that known as Condie's, the piston is fixed, and the hammer attached to the lower end of the cylinder.