In the marine steam-engine, a metal disc fitting the bore of the cylinder, and made to slide up and down within it easily, in order, by its reciprocating movement, to communicate motion to the engine.
·noun A sliding piece which either is moved by, or moves against, fluid pressure. It usually consist...
Webster's Dictionary of the English Language
·add. ·- A spring packing ring, or any of several such rings, for a piston. ...
·add. ·- In a single-acting engine, an elongated hollow piston, open at the end, in which the end of...
A rod which is firmly fixed in the piston by a key driven through both. ...
The Sailor's Word-Book
·noun A brass wind instrument, like the trumpet, furnished with valves moved by small pistons or sli...
·pl of Cornet-a-piston. ...