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.

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Etymology

Origin of Milwaukee Deep

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