autonomous underwater vehicle

noun

: an unmanned vehicle designed to operate underwater without guidance according to preprogrammed instructions

Inside, scientists have constructed torpedoes that can all but think for themselves. They are called AUVs, or autonomous underwater vehicles, and they disappear into the sea and carry out missions without remote control.

—Trevor Corson, The Secret Life Of Lobsters, 2004

—abbreviation AUV

Word History

First Known Use

1983, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now