n.
1.a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
2.a mechanism for transmitting motion by gears for some specific purpose (as the steering gear of a vehicle)
3.equipment consisting of miscellaneous articles needed for a particular operation or sport etc. gear v.
1.set the level or character of
Idiom of the Day
serve (someone) right
to get the punishment or results that one deserves
My friend never studies at all so it serves him right to fail his exam.