Definition of "ocean" in English

noun

1. (countable) One of the large bodies of water separating the continents.

2. (uncountable) Water belonging to an ocean.

   • The island is surrounded by ocean

3. (figuratively) An immense expanse; any vast space or quantity without apparent limits.

   • the boundless ocean of eternity
   • an ocean of difference

4. A blue colour, like that of the ocean (also called ocean blue).