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. ;

1. (

• gear ,
• pitch ,

) set the level or character of; "She pitched her speech to the teenagers in the audience" ;