Silencer

n. person or thing that silences; device attached to the barrel of a gun to muffle the sound of gunfire; muffler of an internal combustion engine (British)

The word silencer can mean:The noise suppressor that goes on the end of a gun barrelSilencer on an internal combustion engine's exhaust pipeA sound-reducing device located in a large chimneySilencer (DNA) is a type of regulating DNA sequenceSilencer (game) is a game by Mind-Control softwareSilencer (Crusader) is a type of elite soldier in the computer game series CrusaderThe Silencer, 1999 filmSilencer, character in the computer game Metal Gear Solid 4: Guns of the PatriotsSilencer (band), Swedish black metal band.Silencers (band), Scottish band.
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Noun
1. short tube attached to the muzzle of a gun that deadens the sound of firing
(hypernym) tube, tubing
(derivation) hush, quieten, silence, still, shut up, hush up
2. a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
(synonym) muffler
(hypernym) acoustic device
(part-holonym) exhaust, exhaust system
(derivation) hush, quieten, silence, still, shut up, hush up

A DNA sequence which acts in the opposite direction of an enhancer to inhibit the transcription of a gene.

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