| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Idler gear | Mechanical Engineering | An intermediate gear in which the teeth are in mesh on one side with the driving gear and on the other side with the driven gear. An idler has no influence on the speed ratio. Source: European Union. (references) | |
| Idler gear | Mining | A. A gear meshed with two other gears that does not transmit power to its shaft; used to reverse direction of rotation in a transmission. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
