training wheel (English, noun)
expansion: training wheel (plural training wheels)
Senses:
topics: government
military
politics
war
glosses: 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.
tags: historical
topics: rail-transport
railways
transport
glosses: Synonym of trailing wheel (“on a steam locomotive, an unpowered wheel or axle located behind the driving wheels”).
tags: archaic
topics: cycling
hobbies
lifestyle
sports
glosses: One of a pair of small wheels, each attached to one side of a bicycle's rear wheel to provide support for new riders.
tags: Canada
US
in-plural
Forms:
form: training wheels
tags: plural