/ Dictionary / Index H hydrant: Meaning and Definition of Find definitions for: hy•drant Pronunciation: (hī'drunt), [key] — n. an upright pipe with a spout, nozzle, or other outlet, usually in the street, for drawing water from a main or service pipe, esp. for fighting fires. a water faucet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydrant (Thesaurus) hydrangea hydranth Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language