from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An axle which transfers power to a powered wheel from an engine, as in a steam locomotive.

from the GNU version of the Collaborative International Dictionary of English

  • adj. the axle of a driving wheel, as in a locomotive.

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

  • n. the axle of a self-propelled vehicle that provides the driving power


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