sea floor

Other forms: sea floors

Definitions of sea floor

1. noun

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

   types:

   abyssal zone

   the deep sea (2000 meters or more) where there is no light

   continental shelf

   the relatively shallow (up to 200 meters) seabed surrounding a continent

   bathyal district, bathyal zone, continental slope

   the steep descent of the seabed from the continental shelf to the abyssal zone

   neritic zone

   the ocean waters from the low tide mark to a depth of about 100 fathoms

   twilight zone

   the lowest level of the ocean to which light can reach

   type of:

   bed, bottom

   a depression forming the ground under a body of water