Definify.com

Webster 1913 Edition

Noun.

[L., hider.]

One who suppresses.

Noun.

One that suppresses; one that subdues; one that prevents utterance, disclosure or communication.

suppressor ‎(plural suppressors)

A device which suppresses something, especially an electronic or mechanical device.
1. Part of the barrel of a firearm which reduces the noise and flash generated by firing the weapon.
A person who suppresses others, a tyrant.
A gene that suppresses the effect of another through epistasis.