| Noun | 1. | landmass - a large continuous extent of land continent - one of the large landmasses of the earth; "there are seven continents"; "pioneers had to cross the continent on foot" dry land, ground, solid ground, terra firma, earth, land - the solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground" subcontinent - a large and distinctive landmass (as India or Greenland) that is a distinct part of some continent |