training wheel

Tanımlar (İngilizce)

1. isim A wheel forming part of the machinery of a cannon or a similar firearm which is turned to train or aim the weapon at a target.
2. isim Synonym of trailing wheel (“on a steam locomotive, an unpowered wheel or axle located behind the driving wheels”).
3. isim One of a pair of small wheels, each attached to one side of a bicycle's rear wheel to provide support for new riders.