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Want to find out what does the word piston mean? We gathered all the possible definitions of the word piston on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.

piston

Part of speech: Noun

A small solid cylinder, fitting exactly and moving up and down by, or working against, a fluid, as, in the barrel of a pump, or in an engine cylinder.

Usage examples "piston":