cotton grass


noun

any rushlike plant constituting the genus Eriophorum, of the sedge family, common in swampy places and bearing spikes resembling tufts of cotton.

Origin of cotton grass

First recorded in 1590–1600; so called from its cottonlike heads

Example sentences from the Web for cotton grass

British Dictionary definitions for cotton grass

cotton grass

noun

any of various N temperate and arctic grasslike bog plants of the cyperaceous genus Eriophorum, whose clusters of long silky hairs resemble cotton tufts Also called: bog cotton