reindeer moss

noun
  1. any of several lichens of the genus Cladonia, especially the gray, many-branched C. rangiferina, of arctic and subarctic regions, eaten by reindeer and caribou.

Origin of reindeer moss

First recorded in 1745–55
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British Dictionary definitions for reindeer moss

reindeer moss

noun
  1. any of various lichens of the genus Cladonia, esp C. rangiferina, which occur in arctic and subarctic regions, providing food for reindeer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012