noun
Etymology: deep (I) + sea
: those parts of the oceans in which the water is very deep ; specifically : areas in which it has a depth of 1000 fathoms or more — compare deep III 5
noun
Etymology: deep (I) + sea
: those parts of the oceans in which the water is very deep ; specifically : areas in which it has a depth of 1000 fathoms or more — compare deep III 5
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012