iceland moss Meaning, Definition & Usage
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noun lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions; used as a medicine or food for humans and livestock; a source of glycerol
Iceland lichen; Cetraria islandica.
WordNet
Ice"land moss`
Definitions
(Bot.) A kind of lichen ( Cetraria Icelandica ) found from the Arctic regions to the North Temperate zone. It furnishes a nutritious jelly and other forms of food, and is used in pulmonary complaints as a demulcent.