/ Dictionary / Index R range finder: Meaning and Definition of Find definitions for: range' find"er Pronunciation: [key] any of various instruments for determining the distance from the observer to a particular object, as for sighting a gun or adjusting the focus of a camera. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rangefinder (Thesaurus) ranged rangeland Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language