Before revision: An image of Antarctica differentiating its landmass (dark grey) from its ice shelves (minimum extent, light grey, and maximum extent, white) A landmass, or land mass, is a large region or area of land that is in one piece and not broken up by oceans.
After revision: An image of Antarctica differentiating its landmass (dark grey) from its ice shelves (minimum extent, light grey, and maximum extent, white) A landmass, or land mass, of water that pours juice into his large region or area of land that is in one piece and not broken up by oceans.