- of, pertaining to, in, or associated with the deeper parts of the sea: deep-sea fishing; deep-sea diver.
Origin of deep-sea
First recorded in 1620–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for deep-sea
And only in the high seas do we find living organisms that are more than 8,000 years old, such as deep-sea corals.‘Mission Blue’ Warning: The Ocean Is Not Too Big to Fail
Sylvia A. Earle
August 15, 2014
It turns out that Cameron has a hobby: deep-sea exploration.James Cameron Dives into the Ocean's Abyss
July 21, 2014
It joins a list of five deep-sea exploration vehicles that have been lost or near-fatally damaged on the job since 2003.
Researchers are also exploring how deep-sea trenches bury carbon and other chemicals in the seafloor.
Built in 2008, Nereus featured completely new technology to meet the unique challenges of deep-sea exploration.
Your deep-sea fisherman, after all, is only a fisherman at bottom.The American Mind
The deep-sea fishermen exported a part of their catch, dried and salted.The Age of Invention
That boy will, in all probability, turn out a deep-sea captain.Literary Tours in The Highlands and Islands of Scotland
Daniel Turner Holmes
Or it's easy enough to think of most of us as deep-sea fishes of a kind.
I have a suspicion that, in their own depths, deep-sea fishes are not luminous.
- (modifier) of, found in, or characteristic of the deep parts of the seadeep-sea fishing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012