iceland Definition

island between the Arctic Ocean and the Atlantic Ocean southeast of Greenland and just south of the Arctic Circle; a republic, formerly (1380—1918) belonging to Denmark, later (1918—44) an independent kingdom in personal union with Denmark; capital Reykjavik area 39,702 square miles (102,828 square kilometers), population 315,556

a lichen (Cetraria islandica) of mountainous and arctic regions sometimes used in medicine or as food

a poppy (Papaver nudicaule) of holarctic regions often cultivated for its usually single showy flowers

a birefringent transparent colorless variety of calcite