from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A lightweight motorcycle designed for use on rough surfaces, such as dirt roads or trails. Also called trail bike.
  • n. See mountain bike.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of dirtbike.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • Motorcycles designed for racing over closed circuits, often with jumps, over varied terrain of gravel/mud/sand. Also called motocross bikes, when not being raced, they can also be used for informal off-road recreation, or "mudding".

    February 3, 2008