seafloor

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

noun

the solid surface underlying a sea or an ocean.

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What does “blatherskite” mean?
Also called seabed.

Origin of seafloor

First recorded in 1850–55; sea + floor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for seafloor