Ocean
Definition 1 of 2
Pro Tip 1/3
Locative Nature
Ocean usually refers to specific geographic regions, not any body of water. The Nile River flows into the Mediterranean Sea, not an ocean.
Pro Tip 2/3
Not Just Size
Size matters, but oceans are specifically large bodies of saltwater separating continents. Despite its size, the Caspian Sea is not an ocean.
Pro Tip 3/3
Cultural Symbolism
In literature and culture, oceans often symbolize vastness and the unknown. Explorers of old viewed the ocean as the edge of the world.