Science / Tides and Currents / Sargasso Sea: The west central region of the sub-tropical gyre of the North Atlantic Ocean. It is bounded by the North Atlantic, Canary, North Equatorial, and Antilles Currents, and the Gulf Stream. It is characterized by the absence of any well-marked currents and by large quantities of drifting Sargassum, or gulfweed.
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Sea Verb Synonyms: swell, breaker, wave
Sea Adjective Synonyms: ocean, deep blue sea, high seas, (briny) deep, (bounding) main, Neptune's or Poseidon's kingdom or domain, blue water, Davy Jones's locker, briny, drink, pond (= 'Atlantic Ocean')
Science / Geology / Seamount: A mountain on the sea floor that has at least 1000 meters of local relief. Most seamounts are shield volcanoes. (See also Guyot.) MORE
Technology / Aviation / Seaplane: A water-based aircraft with a boat-hull fuselage, often amphibious.The term is also used generically to define a similar Flying Boat and a pontoon FLOATPLANE. MORE