[ land-mas ]

  1. a part of the continental crust above sea level having a distinct identity, as a continent or large island.

Origin of landmass

First recorded in 1855–60; land + mass Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use landmass in a sentence

  • Perhaps some two hours later Ross swam toward the land mass of Kyn Add.

    Key Out of Time | Andre Alice Norton
  • Instead, there were thousands of islands, so many that the land mass roughly equaled the sea surface.

    Eight Keys to Eden | Mark Irvin Clifton
  • In youth the land mass was roughhewn and cut deep by stream erosion.

    The Elements of Geology | William Harmon Norton

British Dictionary definitions for landmass


/ (ˈlændˌmæs) /

  1. a large continuous area of land, as opposed to seas or islands

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for landmass


[ lăndmăs′ ]

  1. A large, continuous area of land, such as a continent or a very large island.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.