- the solid surface underlying a sea or an ocean.
Origin of seafloor
Also called seabed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for seafloor
Researchers are also exploring how deep-sea trenches bury carbon and other chemicals in the seafloor.Lost Ocean Rover Leaves Gap in Biology and Alzheimer's Research
June 9, 2014