"gears" in the noun sense
1. gear, gear wheel, geared wheel, cogwheel
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
2. gearing, gear, geartrain, power train, train
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"
3. gear, gear mechanism
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
4. gear, paraphernalia, appurtenance
equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
"gears" in the verb sense
1. gear, pitch
set the level or character of
"She pitched her speech to the teenagers in the audience"
Source: WordNet® (An amazing lexical database of English)
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