| an automobile specially built or altered for fast acceleration and increased speed. |

| hot rod also hot-rod (hŏt'rŏd') n. Slang An automobile that has been rebuilt or modified to increase its speed and acceleration. hot'-rod' v., hot rodder, hot'-rod'der n. |
(hot) rod
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hot rod
An automobile modified to increase its speed and acceleration, as in Kids love to tinker with cars and try to convert them into hot rods. [Mid-1900s] Also see hopped up.