sphagnum Meaning, Definition & Usage
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noun any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat
peat moss; sphagnum moss; bog moss.
WordNet
Sphag"num noun
Etymology
NL., fr/ Gr. a kind of moss.Definitions
(Bot.) A genus of mosses having white leaves slightly tinged with red or green and found growing in marshy places; bog moss; peat moss.