fucus

noun

fu·​cus ˈfyü-kəs 

1

obsolete : a face paint

2

[New Latin, genus name, from Latin] : any of a genus (Fucus) of leathery marine brown algae of rocky intertidal zones that are a source of algin and have been used as fertilizer

broadly : any of various brown algae compare rockweed

Examples of fucus in a Sentence

Recent Examples on the Web

The rocks draped with fronds of fucus seaweed beneath the tide line. —Author: Brendan Jones, Alaska Dispatch News, 11 Aug. 2017

Word History

Etymology

Latin, seaweed, archil, dye obtained from archil, from Greek phykos

First Known Use

1591, in the meaning defined at sense 1

Kids Definition

fucus

noun

fu·​cus ˈfyü-kəs 

: rockweed

Medical Definition

fucus

noun

fu·​cus ˈfyü-kəs 

1

capitalized : a genus (family Fucaceae) of cartilaginous brown algae used in the kelp industry

2

: any brown alga of the genus Fucus

broadly : any of various brown algae