Longman Dictionary of Contemporary English
dirt bike
noun
EXAMPLES FROM CORPUS
▪ Duhon enjoys speeding across the hard-packed sand on his dirt bike, almost challenging the dry lake to best him.
▪ He rode an old dirt bike and mumbled when he talked.
Wiktionary
dirt bike
n. (alternative spelling of dirtbike English)
WordNet
dirt bike
n. a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground [syn: trail bike, scrambler]
Usage examples of "dirt bike".
Last night those dirt bike riders might not have been entirely natural men.
Staring out of the trailer's kitchen window, his eyes fell on the dirt bike parked outside.
His hobbies were many and diverse, all involving physical danger: hang gliding, mountain climbing, scuba diving, dirt bike racing.
The sergeant went back and manhandled the small dirt bike out of the rear cabin, barely clearing past the seats.