The term 'Arctic Chunk' refers to a large mass of ice found in the Arctic region. The crossword solutions for this term include 'berg' (4 letters), which is a large mass of ice that has broken off from a glacier or an ice shelf, 'ICEBERG' (7 letters), which is a large floating mass of freshwater ice, 'FLOE' (4 letters), which is a sheet of floating ice, and 'icefloe' (7 letters), which is a large sheet of floating ice.