- sea
- sea [ si ] noun MAINLY BRITISH ***singular or uncount the large area of salt water that covers most of the surface of the Earth:Tim went swimming in the sea.He had a room overlooking the sea.We're renting a house by the sea (=close to the sea).into the sea: I ran across the beach and into the sea.at sea (=in a boat or ship on the sea): Some older tankers need maintenance while at sea.by sea (=in a ship across the sea): Most of his belongings will be transported by sea.out to sea (=out onto the sea): She rowed the boat out to sea.lost at sea (=died in the sea): A service was held to commemorate those lost at sea.put to sea (=start a journey in a ship): The cruiser put to sea yesterday from the port of Murmansk.the open sea (=a part of the sea far from land): The yacht was on the open sea in light winds.a. count usually plural the condition of the sea, especially the way it is affected by the weather:The sea was very choppy (=with many small waves).calm/rough/choppy/stormy seas: A fishing boat is missing in rough seas off the Shetlands.b. Sea singular used as part of the name of a sea:the North Seathe Irish Seac. count a large area of salt water:The dam will create an enormous inland sea.d. the seas LITERARY the sea in general:the peace and freedom of the seasall at seaconfused and not certain what to dothe high seas MAINLY LITERARYoceans or seas that are not controlled by any country:We're reading an adventure story about piracy on the high seas.a sea of somethinga large amount of something:She looked out over a sea of smiling faces.The crowd stood under a sea of brightly colored umbrellas.
Usage of the words and phrases in modern English. 2013.