[see-flawr, -flohr]


the solid surface underlying a sea or an ocean.

Origin of seafloor

First recorded in 1850–55; sea + floor
Also called seabed. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sea-floor

Historical Examples of sea-floor

Word Origin and History for sea-floor

1832, from sea + floor (n.).

Online Etymology Dictionary, © 2010 Douglas Harper