Icecaps, which are large sheets of ice that cover the land, are known by many different names. One of the most common synonyms for icecaps is glaciers, which are massive rivers of ice that move slowly across the landscape. Another term used to describe icecaps is ice sheets, which refers to a vast expanse of ice that covers enormous areas like Greenland and Antarctica. Other synonyms for icecaps include ice masses, ice fields, and ice shelves, with each term having a slightly different meaning depending on their location and size. Regardless of the term used, these synonyms all refer to the same thing - a vast, frozen landscape of snow and ice.