seamount

[ see-mount ]
/ ˈsiˌmaʊnt /

noun

a submarine mountain rising several hundred fathoms above the floor of the sea but having its summit well below the surface of the water.

Origin of seamount

First recorded in 1945–50; sea + mount2

Words nearby seamount

seamark, seamer, seami, seamless, seamoth, seamount, seamster, seamstress, seamy, seamy side, sean

British Dictionary definitions for seamount

seamount
/ (ˈsiːˌmaʊnt) /

noun

a submarine mountain rising more than 1000 metres above the surrounding ocean floor Compare guyot

Scientific definitions for seamount

seamount
[ sē′mount′ ]

A large underwater mountain, usually conical in shape and at least 1,000 m (3,280 ft) above the ocean floor. Seamounts are usually isolated and are volcanic in origin.