bladder wrack


noun

a common seaweed, Fucus vesiculosus, found in cold marine waters, having narrow brownish fronds with air-filled vesicles.

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British Dictionary definitions for bladder wrack

bladderwrack
/ (ˈblædəˌræk) /

noun

any of several seaweeds of the genera Fucus and Ascophyllum, esp F. vesiculosus, that grow in the intertidal regions of rocky shores and have branched brown fronds with air bladders
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