Liberal Dictionary English Dictionary
adjective
- of, pertaining to, in, or associated with the deeper parts of the sea: deep-sea fishing; deep-sea diver.
noun
- (modifier) of, found in, or characteristic of the deep parts of the seadeep-sea fishing
Why are countries laying claim to the deep-sea floor? – BBC News
Deep Sea Mining Industry Is Totally Wild West | The Tyee
Why Protect the Deep Sea? – Deep Sea Conservation Coalition