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  1. Sea - Wikipedia

    The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans. [1] However, the word "sea" can also be used for …

  2. SEA Definition & Meaning - Merriam-Webster

    The meaning of SEA is a great body of salt water that covers much of the earth; broadly : the waters of the earth as distinguished from the land and air. How to use sea in a sentence.

  3. Sea and Sky - Explore the Oceans Below and the Universe Above

    Sea and Sky is your one-stop source for all things related to the oceans, aquariums, astronomy, and space exploration; features extensive information, news, images, games, and much more.

  4. SEA | English meaning - Cambridge Dictionary

    SEA definition: 1. the salty water that covers a large part of the surface of the earth, or a large area of salty…. Learn more.

  5. Sea - National Geographic Society

    Oct 19, 2023 · The “seven seas” has been used to describe the world’s great water bodies for a long time. But there are actually about 50 water formations that can be called a “sea,” and they …

  6. SEA Definition & Meaning | Dictionary.com

    A region of water within an ocean and partly enclosed by land, such as the North Sea. A large body of either fresh or salt water that is completely enclosed by land, such as the Caspian Sea.

  7. sea - Wiktionary, the free dictionary

    Oct 5, 2025 · A body of salt water smaller than an ocean, generally forming part of, or connecting with, an ocean or a larger sea.

  8. SEA definition and meaning | Collins English Dictionary

    The sea is the salty water that covers about three-quarters of the Earth's surface. Most of the kids have never seen the sea. All transport operations, whether by sea, rail or road, are closely …

  9. What's the difference between an ocean and a sea?

    Jun 16, 2024 · A sea is generally smaller than an ocean. In fact, a sea is usually part of a larger ocean that is partially enclosed by land. Examples are the Red Sea and Mediterranean Sea.

  10. The Deep Sea - Smithsonian Ocean

    Cut off from the rest of the world’s oceans, the sea slowly evaporated, leaving behind a layer of salt up to 5 miles deep in some locations. By the time the ocean returned to that region, …