D defs.my
Entry 1 sense Webster, 1913

Mainland

/mān'-lăndˌ/ · Main·land · IPA /ˈmeɪnlənd/
01 n. The continent; the principal land; -- opposed to island, or peninsula.
  1. 1.
    The continent; the principal land; -- opposed to island, or peninsula.
    “After the two wayfarers had crossed from the peninsula to the mainland.” Hawthorne.