WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a chain of coral and volcanic islands in Micronesia (including Guam and the Northern Marianas) halfway between New Guinea and Japan; discovered by Magellan in 1521
Word Usage
"Just like pulling a VW Bug from the marianas Trench until it got up near the boat, then all heck broke loose, that tail started flailing until the deck hand threw a gaff through it."