Moss is a very small seedless plant that lives in moist places and grows in soft feathery patches.(noun)
An example of moss is the soft green plants that grow on the ground under a thick forest.
See moss in Webster's New World College Dictionary
Origin: ME mos, a bog, moss < OE, a swamp, akin to ON mosi, Ger moos, a bog, moss < IE *meus- (> L muscus, moss) < base *meu-, moist
See moss in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English mos, bog
Origin: , and from Medieval Latin mossa, moss (of Germanic origin).
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