seafloor

[ see-flawr, -flohr ]
/ ˈsiˌflɔr, -ˌfloʊr /

noun

the solid surface underlying a sea or an ocean.

Origin of seafloor

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

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