D defs.my
Entry 1 sense Webster, 1913

Extinguisher

/ĭk-stĭng'-gwĭsh-ẽr/ · Ex·tin·guish·er · IPA /ɪkˈstɪŋɡwɪʃə(ɹ)/
01 n. One who, or that which, extinguishes; esp., a hollow cone or other device for extinguishing a flame, as of a torch or candle.
  1. 1.
    One who, or that which, extinguishes; esp., a hollow cone or other device for extinguishing a flame, as of a torch or candle.
Phrases & compounds
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.