Dictionary.com
Thesaurus.com

Milwaukee Deep

American  
[mil-waw-kee deep] / mɪlˈwɔ ki ˈdip /

noun

  1. the deepest known place in the Atlantic Ocean, located in the Puerto Rico Trench at a depth of 27,487 feet (8,378 meters): sometimes said to be within a surrounding depression Brownson Deep, but with no apparent distinction between the two.

Etymology

Origin of Milwaukee Deep

First recorded in 1935–40; named after the cruiser USS Milwaukee, which discovered the deep (1939)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.