C2 noun #65,615 最常用

fifth wheel

UK /-ˈwiːl/ | US /-ˈwiːl/

A type of trailer hitch, which consists of a horseshoe-shaped plate on a multidirectional pivot, with a locking pin to couple with the kingpin of a truck trailer.

fifth wheel 30秒了解

  • (noun) A type of trailer hitch, which consists of a horseshoe-shaped plate on a multidirectional pivot, with a locking pin to couple with the kingpin of a truck trailer.
  • (noun) A horizontal wheel or segment of a wheel above the front axle and beneath the body of a carriage, forming an extended support to prevent it from overturning.
  • (noun) Anything superfluous or unnecessary.

Meanings

  1. 1
    noun A type of trailer hitch, which consists of a horseshoe-shaped plate on a multidirectional pivot, with a locking pin to couple with the kingpin of a truck trailer.
  2. 2
    noun A horizontal wheel or segment of a wheel above the front axle and beneath the body of a carriage, forming an extended support to prevent it from overturning.
  3. 3
    noun Anything superfluous or unnecessary.

例句

1

近义词

spare tool third wheel
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