<p><strong>Noun</strong></p><ul><li>The principal land of a country, region, etc., as distinguished from adjacent islands or a peninsula: the mainland of Greece.</li><li>Any part of or all of the continental United States or conterminous United States, especially from the perspective of someone in a geographically detached U.S. state or territory, such as Hawaii or Guam: I’m not sure where on the mainland Jasmine went to college, but it may have been Milwaukee.</li></ul>