a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | the fielding position of the player on a baseball team who is stationed near the third of the bases in the infield (counting counterclockwise from home plate) |
equipment consisting of miscellaneous articles needed for a particular operation or sport etc. | the third from the lowest forward ratio gear in the gear box of a motor vehicle |
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed | the base that must be touched third by a base runner in baseball |
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) | the musical interval between one note and another three notes away from it |
| one of three equal parts of a divisible whole |
| following the second position in an ordering or series |