a large flat mass of floating ice.
a sheet of ice, of variable size, floating in the sea See also ice field (sense 1)
A large, flat expanse of floating ice smaller than a marine ice field.
noun 1. formations of ice crystals on the surface of a still, slowly freezing body of water. 2. Also called frost flowers. delicate tufts of frost on a surface of ice or snow.
noun 1. (in polar regions) a belt of ice frozen to the shore, formed chiefly as a result of the rise and fall of the tides. noun 1. a narrow belt of ice permanently attached to the coast in polar regions
noun 1. (especially in the far north) a fog composed of minute ice crystals that form in the air in extremely cold temperatures.
[ahys-free, -free] /ˈaɪsˈfri, -ˌfri/ adjective 1. free of ice. 2. (of a harbor or other body of water) free at all times of the year of any ice that would impede navigation.