Sea | Mean of sea in English Dictionary

/ˈsiː/

• Noun
• the salt water that covers much of the Earth's surface
1. We traveled by sea. [=on a ship]
2. The ship sank to the bottom of the sea. [=the ocean]
3. creatures of the sea
4. He was sailing the open sea. [=sailing far away from land]
5. a sea voyage
6. a sea animal/creature
7. the sea floor
8. the uncharted seas
• a large body of water that is part of the sea or that has land around part or all of it
1. the Mediterranean Sea
2. the seas of the Southern Hemisphere
• an area of the sea
1. a calm/rough sea
2. We sailed in heavy seas. [=in very large waves]

• a large amount or number of people or things spread over a large area
1. a sea of screaming fans
2. a golden sea of wheat
3. a sea of sadness
• one of the large, flat areas on the moon or on Mars
1. lunar seas
2. the Sea of Tranquility
• sailing or traveling on the sea
1. The navy spent as much time in port as they did at sea.
2. The crew was lost at sea. [=the crew disappeared while traveling on the sea]
• confused and not confident
1. She felt completely at sea when she started her new job.
• to become a sailor
1. He went to sea at a young age.
• toward or into a part of the ocean that is far away from land
1. The boat headed out to sea.
2. He fell overboard and was swept out to sea.
• to leave a port, harbor, etc., and begin traveling on the sea
1. The ship put to sea.
2. We will dock tonight and put out to sea tomorrow.