ice floe
large pack of floating ice
ice disc
big circular ice floe (ca 1 m ... 50 m diameter) rotating on a river
fast ice
sea ice that is immobile due to its attachment to a coast, usually extending offshore to about the 20-m isobath
ice floe carousel
piece of ice made to spin like a carousel
drift ice
sea ice that is not attached to land but rather moves on the sea surface in response to wind and ocean currents