English noun: fifth wheel | |||
1. | fifth wheel (attribute) someone or something that is unwanted and unneeded | ||
Synonyms | deadwood | ||
Broader (hypernym) | redundance, redundancy | ||
2. | fifth wheel (artifact) an extra car wheel and tire for a four-wheel vehicle | ||
Synonyms | spare | ||
Broader (hypernym) | car wheel | ||
3. | fifth wheel (artifact) a steering bearing that enables the front axle of a horse-drawn wagon to rotate | ||
Broader (hypernym) | bearing | ||