landmass has definitions from the field of geography
[ noun ] (geography) a large continuous extent of land

Used in print

(James Boylan, "Mutinity"...)

A century of exploration had established that a great land_mass , North and South America , lay between Europe and the_Indies .

(Barry Goldwater, "A Foreign Policy for America"...)

Never_mind whether the Kikiyus and the Bantus enjoyed Wilsonian self-determination : the point is that in the struggle for the world that vast land_mass was under the domination and influence of the West .

Related terms

land continent subcontinent