Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A protective casing for a system of gears.

from The Century Dictionary.

  • noun A box inclosing gearing to protect it.

from the GNU version of the Collaborative International Dictionary of English.

  • noun the metal casing in which a train of gears is sealed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun That part of a car's transmission containing the train of gears, and to which the gear lever is connected.

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

  • noun the shell (metal casing) in which a train of gears is sealed
  • noun the shell (metal casing) in which a train of gears is sealed

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

gear + box

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