Bay ice refers to the accumulation of ice that appears primarily in bays, estuaries, and other shallow water bodies during the winter season. Other words that can be used interchangeably with bay ice include pack ice, floe ice, and anchor ice. Pack ice is sea ice that has been compressed and broken up by the wind and currents. Floe ice refers to the large flat pieces of ice that accumulate in the open ocean. Anchor ice is the ice that forms on the bottom of water bodies, usually close to the shore. These synonyms for bay ice are commonly used in meteorology and oceanography to describe the different types of ice formations found in various water bodies around the world.