What does "fire hydrant" mean?

A device used by firefighters to obtain water from the main supply, consisting of a barrel, connections for hose and a valve assembly.

Fire hydrant

Common synonyms include: acid, automatic sprinkler, carbon tet, carbon tetrachloride, carbon-dioxide foam, deck gun.

noun

noun ·Rare ·Advanced level

Noun

1
A device used by firefighters to obtain water from the main supply, consisting of a barrel, connections for hose and a valve assembly.
2
an upright hydrant for drawing water to use in fighting a fire wordnet