/ Dictionary / Index F fire ant: Meaning and Definition of Find definitions for: fire' ant" Pronunciation: [key] any of several omnivorous ants, as the migrant Solenopsis geminata originating in tropical and subtropical South America, having a sting that produces a burning sensation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fire-and-brimstone fire apparatus Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language