variants
or less commonly sea floor
plural seafloors also sea floors
: the floor of a sea or ocean : seabed
The Earth's crust, in this view, is divided into several immense plates that make up the continents and seafloors, and that all float on a hot, plastic, subterranean "mantle."—
Walter Sullivan
Walter SullivanExamples of seafloor in a Sentence
Recent Examples on the Web
Instead, the climate is influenced by the intricate balance between carbon emissions from Earth's surface and how they get trapped in sediments on the seafloor.
—Ben Mather, Space.com, 7 Feb. 2026
Smaller critters — hermit crabs, lightning whelks and snails — skittered along the seafloor.
—Max Chesnes, The Orlando Sentinel, 6 Feb. 2026
Follow stone markers along the seafloor of the 650-foot trail, witnessing friendly sea turtles and a kaleidoscope of colorful fish living amongst a healthy coral reef system.
—Condé Nast Traveler, 30 Jan. 2026
This is where the species spend their productive summer months, feasting on small crustaceans and other seafloor prey.
—Scott Travers, Forbes.com, 26 Jan. 2026
See All Example Sentences for seafloor
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Ben Mather, Space.com, 7 Feb. 2026
Smaller critters — hermit crabs, lightning whelks and snails — skittered along the seafloor.
—Max Chesnes, The Orlando Sentinel, 6 Feb. 2026
Follow stone markers along the seafloor of the 650-foot trail, witnessing friendly sea turtles and a kaleidoscope of colorful fish living amongst a healthy coral reef system.
—Condé Nast Traveler, 30 Jan. 2026
This is where the species spend their productive summer months, feasting on small crustaceans and other seafloor prey.
—Scott Travers, Forbes.com, 26 Jan. 2026
See All Example Sentences for seafloor
Cite this Entry
“Seafloor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seafloor. Accessed 15 Feb. 2026.
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