Davy Jones's locker

Noun

1.

Davy Jones's locker - the bottom of a sea or ocean Synonyms: Davy Jones, ocean bottom, ocean floor, sea bottom, seabed

abyssal zone, bathyal district, bathyal zone, bed, bottom, continental shelf, continental slope, Davy Jones, neritic zone, ocean bottom, ocean floor, sea bottom, seabed, twilight zone