(n)an erect greyish branching lichen of Arctic and even some north temperate regions constituting the chief food for reindeer and caribou and sometimes being eaten by humans, Syn.reindeer lichen, arctic moss, Cladonia rangiferina
(n)any of several large caribou living in coniferous forests of southern Canada; in some classifications included in the species Rangifer tarandus, Syn.Rangifer caribou