 fifth_wheel |
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| 1. | [ noun ] an extra car wheel and tire for a four-wheel vehicle | |
| Synonyms: | spare | |
| Related terms: | car_wheel | |
| 2. | [ noun ] someone or something that is unwanted and unneeded | |
| Synonyms: | deadwood | |
| Related terms: | redundancy | |
| 3. | [ noun ] a steering bearing that enables the front axle of a horse-drawn wagon to rotate | |
| Related terms: | bearing | |
