any of the woolly, composite plants of the genus Gnaphalium, having simple leaves and tubular flowers.
any of various plants of allied genera.
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British Dictionary definitions for cudweed
any of various temperate woolly plants of the genus Gnaphalium, having clusters of whitish or yellow button-like flowers: family Asteraceae (composites)
any of several similar and related plants of the genus Filago, esp F. germanica
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