Definition of Physcomitrium
: a genus of mostly minute mud-inhabiting mosses (family Funariaceae) having globose to pyriform erect capsules with no peristome — see urn moss
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Origin and Etymology of physcomitrium
New Latin, from physco- (from Greek physkē large intestine, sausage) + mitr- (from Latin mitra headband, turban) + -ium
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