seabed

Noun

1.

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

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