deep sea

See also: deepsea and deep-sea

English

Etymology

From Middle English depe see, equivalent to deep +‎ sea.

Noun

deep sea (uncountable)

  1. The deeper part of the sea or ocean in which no light penetrates
  2. (sport fishing) open sea (part of the sea out of sight of land)
    deep sea fishing

Derived terms

Translations
open sea — see open sea

See also
  • Aphotic zone
  • Pelagic zone
  • Photic zone
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