fifth wheel
noun
1 fifth wheel
Someone or something that is unwanted and unneeded.
synonym: deadwood.
2 fifth wheel
3 fifth wheel
A steering bearing that enables the front axle of a horse-drawn wagon to rotate.
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noun
Someone or something that is unwanted and unneeded.
synonym: deadwood.
A steering bearing that enables the front axle of a horse-drawn wagon to rotate.
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