/ Dictionary / Index F four-lane: Meaning and Definition of Find definitions for: four-lane Pronunciation: (fôr'lān", fōr'-), [key] — adj. (of a highway) having two lanes for traffic in each direction: a four-lane thruway. —n. a four-lane highway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: four-lane (Thesaurus) four-in-hand four-leaf clover 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