piston

About 3.70 uses per million words.

Meaning

1. noun A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
2. noun A valve device in some brass instruments for changing the pitch
3. verb To move up and down or in and out like a piston.

Similar words

plunger engine shoot calipers reciprocating cylinder ram para actuator slider

Often followed by

is and rod rings in to of ring moves

Word family

Piston Walter Hamor Piston pistons