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(1)   A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
(2)   Equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
(3)   A mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
(4)   Wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
"The fool got his tie caught in the geartrain"


(5)   Set the level or character of
"She pitched her speech to the teenagers in the audience"


  1. equipment or paraphernalia, especially that used for an athletic endeavor.
  2. a wheel with grooves (teeth) engraved on the outer circumference, such that two such devices can interlock and convey motion from one to the other.
  3. a particular combination or choice of interlocking gears, such that a particular gear ratio is achieved.
  4. A configuration of the transmission of an motor car so as to achieve a particular ratio of engine to axle torque


  1. To fit with gears in order to achieve a desired gear ratio.


Common Germanic *jaeram, from Indo-European *yōr-. Cognate with Old Frisian jēr, Old Saxon jār (Dutch jaar), Old High German jār (German Jahr), Old Norse ár (Danish år), Gothic . The IE root is also the source of Greek ὡρα ‘season’, Russian яра, Czech jaro, Lithuanian jore ‘springtime’.


n (plural )
  1. year
    Ðis wæs feorþes geares his rices: this was in the fourth year of his reign. (Anglo-Saxon Chronicle)
  2. the runic character (/j/)