Piston and Roll

Piston noun - Mechanical device that has a plunging or thrusting motion.

Roll and piston are semantically related. In some cases you can use "Roll" instead a noun "Piston".

Roll noun - A record of a series of items (as names or titles) usually arranged according to some system.

Piston and roll are semantically related. Sometimes you can use "Piston" instead a noun "Roll".

Nearby Words: rolled, rolling, roller, rollback, rollover