1. (n.) A tract of land surrounded by water, and smaller than a continent. Cf. Continent.

2. (n.) Anything regarded as resembling an island; as, an island of ice.

3. (n.) See Isle.

4. (v. t.) To cause to become or to resemble an island; to make an island or islands of; to isle.

5. (v. t.) To furnish with an island or with islands; as, to island the deep.

aerodrome air base airdrome airfield airport ait archipelagian archipelagic archipelago atoll bar cay close off continental island coral head coral island coral reef cut off enisle field heliport holm insular insularity insulate insulated island group island-dotted islanded islandish islandlike islandology islandy isle islet isleted isolated key landing landing field oceanic island port reef sandbank sandbar seagirt segregate separate sequester