1) a part of the sea or of a large lake, enclosed by a wide curve of the shore (bay)
2) a floating object, anchored to the bottom of the sea used to guide ships, to indicate reefs, submerged wrecks etc (buoy)
3) a steep face of rock, especially at the edge of the sea (cliff)
4) a part of the sea almost surrounded by land (gulf)
5) a line of rock etc just below or above the surface of the sea (reef)
6) the floor of the sea (seabed)
7) a long self-propelled weapon filled with explosives, travelling below the surface of the sea (torpedo)
adapted for both land and water
occurring in water
(of plants, animals etc) growing or living in or near water
occurring in water
(of ships) built for crossing the sea, not for coastal voyages only
concerning the sea
a place, town etc by the sea, especially a holiday resort
concerning the sea