training wheel

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English

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WOTD – 12 August 2022

Etymology

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Prince Carlos, Duke of Parma, riding a bicycle with training wheels (sense 3) in 1973.
A training wheel (sense 3, foreground) on a bicycle.

From training (“relating to the moving of a firearm laterally so that it points in a different direction; relating to imparting and acquiring skills”) +‎ wheel.[1][2]

Pronunciation

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Noun

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training wheel (plural training wheels)

  1. (military, historical) 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. (rail transport, archaic) Synonym of trailing wheel (“on a steam locomotive, an unpowered wheel or axle located behind the driving wheels”)
  3. (chiefly Canada, US and in the plural, cycling) One of a pair of small wheels, each attached to one side of a bicycle's rear wheel to provide support for new riders.
    Synonyms: stabiliser, stabilizer

Derived terms

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  • training wheels (“anything designed to make something easier for a novice”)

Translations

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synonym of trailing wheel — see trailing wheel

References

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  1. ^ “training wheel, n.”, in OED Online Paid subscription required⁠, Oxford, Oxfordshire: Oxford University Press, March 2022; “training wheel, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
  2. ^ “training wheels, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

Further reading

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