| Isle 1. (n.) An island. 2. (n.) A spot within another of a different color, as upon the wings of some insects. 3. (v. t.) To cause to become an island, or like an island; to surround or encompass; to island. Thesaurus Entries ait, archipelago, atoll, bar, cay, continental island, coral head, coral island, coral reef, holm, insularity, island, island group, islandology, islet, key, oceanic island, reef, sandbank, sandbar |