seafloor

or sea floor

[ see-flawr ]

noun
  1. the solid surface underlying a sea or an ocean.

Origin of seafloor

1
First recorded in 1850–55; sea + floor

Words Nearby seafloor

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use seafloor in a sentence