Cotton grass Meaning, Definition & Usage
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noun any sedge of the genus Eriophorum; north temperate bog plants with tufted spikes
cotton rush.
WordNet
Definitions
(Bot.) , a genus of plants (Eriphorum ) of the Sedge family, having delicate capillary bristles surrounding the fruit (seedlike achenia), which elongate at maturity and resemble tufts of cotton.
