'Extinguisher' definitions:

Definition of 'extinguisher'

From: WordNet
noun
A manually operated device for extinguishing small fires [syn: fire extinguisher, extinguisher, asphyxiator]

Definition of 'Extinguisher'

From: GCIDE
  • Extinguisher \Ex*tin"guish*er\, n. One who, or that which, extinguishes; esp., a hollow cone or other device for extinguishing a flame, as of a torch or candle. [1913 Webster]
  • fire extinguisher a portable device designed to deliver chemicals, usually in a stream, that can suppress or extinguish a fire. Examples of fire extinghuishers are a carbon dioxide extinguisher, or CO2 extinguisher, and soda-acid extinguisher. [PJC]

Synonyms of 'extinguisher'

From: Moby Thesaurus