Definition of deep-sea adjective from the Oxford Advanced Learner's Dictionary

 

deep-sea

 adjective
adjective
BrE
 
; NAmE
 
(less frequent deep-water)[only before noun] Diving
 
jump to other results
of or in the deeper parts of the sea a deep-sea diver deep-sea fishing/diving See related entries: Diving
See the Oxford Advanced American Dictionary entry: deep-sea