auto-reverse

noun

: a feature of an audiocassette player by which the direction of play of the tape is automatically reversed at the end of one side in order to play the other side

Word History

Etymology

aut- + reverse entry 3

First Known Use

1967, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!