from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rod that transmits motion or power from one moving part to another, especially the rod connecting the crankshaft of a motor vehicle to a piston. Also called pitman.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any rod, in an engine, that transmits power or motion, especially one that connects a reciprocating shaft to a rotating wheel, in reciprocating engines connects piston to crankshaft
from the GNU version of the Collaborative International Dictionary of English
- transitive v. a rod or bar joined to, and connecting, two or more moving parts; esp. a rod connecting a crank wrist with a beam, crosshead, piston rod, or piston, as in a steam engine.
from The Century Dictionary and Cyclopedia
- n. In engineering: The coupling-rod which connects the piston with the crank of the driving-wheel axle of a locomotive engine. See cut under locomotive.
- n. The outside coupling-rod which connects the wheels of a locomotive engine, The rod connecting the cross-head of a beam-engine with that end of the working-beam which plays over the cylinder.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rod that transmits motion (especially one that connects a rotating wheel to a reciprocating shaft)
Sorry, no etymologies found.