[ fyoo-kuhs ]
/ ˈfyu kəs /
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noun, plural fu·ci [fyoo-sahy], /ˈfyu saɪ/, fu·cus·es.
any olive-brown seaweed or alga of the genus Fucus, having branching fronds and often air bladders.
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Origin of fucus

1590–1600; <Latin <Greek phŷkos orchil, red color, rock lichen, rouge
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How to use fucus in a sentence

British Dictionary definitions for fucus

/ (ˈfjuːkəs) /

noun plural -ci (-saɪ) or -cuses
any seaweed of the genus Fucus, common in the intertidal regions of many shores and typically having greenish-brown slimy frondsSee also wrack 2 (def. 2)

Word Origin for fucus

C16: from Latin: rock lichen, from Greek phukos seaweed, dye, of Semitic origin
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