a continuous, slow, downhill movement of snow.
noun 1. a continuous, slow, downhill movement of snow.
noun 1. a relatively hard, upper layer or film of ice or compacted snow on a snow surface.
noun 1. a crystal of ice sufficiently heavy to fall from the atmosphere.
noun 1. a day on which public schools or other institutions are closed due to heavy snow. noun 1. (US) a day on which heavy snow makes it impossible for children to attend school