put to sea

noun

1. the continuous body of salt water covering the greater part of the earth's surface; ocean
2. a large body of salt water wholly or partly enclosed by land: the Red Sea, Irish Sea
3. a large body of fresh water: the Sea of Galilee
4. the state of the surface of the ocean with regard to waves or swells: a calm sea
5. a heavy swell or wave
6. something like or suggesting the sea in extent or vastness; very great amount or number: lost in a sea of debt
7. Astron. mare (sense )

adjective