What does hydrant mean?
A hydrant is a fixed outlet connected to a water supply, most often used by firefighters when they need a large, dependable flow of water. It usually consists of a vertical pipe with one or more capped hose connections, protected by a valve that controls the water. Hydrants may be located on streets, near buildings, or within large private properties, and their visibility and accessibility are important for emergency response. In everyday use, the term is closely associated with the bright metal, red, yellow, or green posts found along urban sidewalks. Although the word is sometimes used more broadly for any water outlet, its standard sense is the public firefighting connection from which firefighters attach hoses. Keeping hydrants clear, painted, and in working order is a regular responsibility of municipal authorities, because an obstructed or malfunctioning hydrant can delay efforts to control a fire.
nounA hydrant is an outdoor water outlet, usually fitted with a valve and cap, from which firefighters draw water for firefighting. It may also be connected to a public water main and inspected and maintained by a municipality or water utility.
- An outdoor, above-ground connection to a water main, generally used by firefighters to obtain water.
"The firefighters connected their hose to the nearest hydrant."
"The hydrant at the corner of the street was painted bright yellow."
"The crew tested the hydrant before the beginning of the parade."
The plural is formed by adding -s.
"The city replaced several old hydrants along Main Street."
A hydrant is a city’s emergency water tap: the firefighter’s shortcut to the water main.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does hydrant come from?
The word comes through French hydrant, from the Greek hydōr, meaning “water.” The English form developed in the 19th century as a practical name for a water outlet intended for firefighting. Its connection with the same Greek root is visible in related English words such as hydraulic, hydrogen, hydrate, and dehydrate.
How hydrant is actually used
Usually used for a public or private water outlet associated with firefighting. In American English, “fire hydrant” is common, while “hydrant” alone is also widely understood; British usage also commonly uses “hydrant” or “fire hydrant.”