cotton grass

noun
  1. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of cotton grass


British Dictionary definitions for cotton grass

cotton grass

noun
  1. any of various N temperate and arctic grasslike bog plants of the cyperaceous genus Eriophorum, whose clusters of long silky hairs resemble cotton tuftsAlso called: bog cotton
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012