sea·​mount | \ ˈsē-ˌmau̇nt How to pronounce seamount (audio) \

Definition of seamount

: a submarine mountain rising above the deep-sea floor

Examples of seamount in a Sentence

Recent Examples on the Web

There are a few similarities between this new structure and Hawaii's Lō'ihi seamount, an underwater volcano growing south of Kīlauea, adds Ken Rubin, a volcanologist at the University of Hawaii at Mānoa who specializes in underwater eruptions. National Geographic, "Strange waves rippled around Earth. Now we may know why.," 21 May 2019 The submarine will plunge down to Lō`ihi, a seamount off the coast of the Big Island of Hawaii. John Wenz, Popular Mechanics, "NASA Is Launching a Submarine to the Seafloor," 13 Aug. 2018 Small atolls and seamounts northwest of the Main Hawaiian Islands are also believed to have been formed by the hot spot. Audrey Mcavoy, Fox News, "Hawaii has 5 other active volcanoes in addition to Kilauea," 31 May 2018 Nearly the size of Connecticut, this new designation encompasses many of the unique canyons, seamounts and species in the deep New England waters. Smithsonian, "Do Ocean Preserves Actually Work?," 5 Jan. 2017 The Georges Bank seamounts rise thousands of feet from the ocean floor and are home to large numbers of deep-sea corals and sponges, many of which are unknown to science. Brian Skerry, National Geographic, "See What Could Be the Atlantic's First Marine Monument," 30 Mar. 2016 The scientists will also investigate hydrothermal vents, mud volcanoes, seamounts, and subduction zones. Brian Clark Howard, National Geographic, "Watch a Live Feed From the Deepest Part of the Ocean," 6 May 2016 New England’s corals grow in areas such as along underwater canyons and seamounts and provide habitat for marine life including sea turtles and fish. Washington Post, "Group votes to protect some Atlantic corals, balk on others," 22 June 2017 The shipwreck and seamount marks on in-flight maps are there to educate and entertain. Cynthia Drescher, Condé Nast Traveler, "Here's Why In-Flight Maps Show Shipwrecks," 30 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seamount.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seamount

1941, in the meaning defined above

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Statistics for seamount

Last Updated

25 Jun 2019

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Time Traveler for seamount

The first known use of seamount was in 1941

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Rhyming Dictionary: Words that rhyme with seamount Encyclopedia article about seamount

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to take the place or position of

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