sphagnum Meaning, Definition & Usage

  1. 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
  1. (Bot.) A genus of mosses having white leaves slightly tinged with red or green and found growing in marshy places; bog moss; peat moss.

Webster 1913