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 many specific, much smaller bodies of seawater, such as the North Sea or the Red Sea. 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.

Understanding the Context

How to use sea in a sentence. In general, a sea is defined as a portion of the ocean that is partly surrounded by land. Given that definition, there are about 50 seas around the world. But that number includes water bodies not always thought of as seas, such as the Gulf of Mexico and the Hudson Bay.

Key Insights

Sea of Japan, marginal sea of the western Pacific Ocean. It is bounded by Japan and Sakhalin Island to the east and by Russia and Korea on the Asian mainland to the west. Pockets of life thrive when food is available, and often these distinct deep sea communities rely on alternate sources of chemical energy that do not originate from the sunโ€”they have figured a way to make do with what they get. A "sea" is often defined as a large body of saltwater, either forming part of the Earth's vast oceans or being partially enclosed by land. Examples include the Mediterranean Sea and the Black Sea.

Final Thoughts

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. 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. You use seas when you are describing the sea at a particular time or in a particular area.

He drowned after 30 minutes in the rough seas.