continental shelf

noun

: a shallow submarine plain of varying width forming a border to a continent and typically ending in a comparatively steep slope to the deep ocean floor

Illustration of continental shelf

Illustration of continental shelf
  • 1 seashore
  • 2 continental shelf
  • 3 continental slope
  • 4 abyssal plain
  • 5 seamount

Examples of continental shelf in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some adult females, outside of breeding season, travel far past the continental shelf to find food, while others stay close to land. Samantha Agate, Fort Worth Star-Telegram, 29 Apr. 2026 Outside of breeding season, some adult females travel far past the continental shelf hunting food while others stay close to land. Samantha Agate, Charlotte Observer, 29 Apr. 2026 Their lineup drops off more steeply than a continental shelf, and their entire coaching staff is feeling the heat. Andrew Baggarly, New York Times, 27 Apr. 2026 Informed by models of oceans on Earth, California Institute of Technology geologists Abdallah Zaki and Michael Lamb studied topographic data of Mars taken by orbiters to find a flat band of land like a continental shelf, suggesting an ocean once roiled in the Martian northern hemisphere. Eric Lagatta, USA Today, 23 Apr. 2026 See All Example Sentences for continental shelf

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of continental shelf was in 1892

Browse Nearby Words

Cite this Entry

“Continental shelf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/continental%20shelf. Accessed 1 May. 2026.

Kids Definition

continental shelf

noun
: a shallow submarine plain of varying width forming a border to a continent and typically ending at the continental slope

More from Merriam-Webster on continental shelf

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster