fucus/ˈfjuː.kəs/EtymologyFrom New Latin Fūcus, from Ancient Greek φῦκος (phûkos).fucus means Any alga of the genus Fucus. Lexicurio rates it Sui generis — a strength score of 88 out of 100.nounAny alga of the genus Fucus.“Sea-weeds, consisting of different species of fuci, algæ, and confervæ, are much used as a manure on the sea-coasts of Britain and Ireland.”A skin cosmetic, a wash or colouring for the skin.“And to morrowe morning, ¶ I’le ſend you a perfume, firſt to reſolue ¶ And procure ſweat, and then prepare a Bath ¶ To clenſe, and cleare the Cutis; againſt when, ¶ I’le haue an excellent new Fucus made, ¶ Reſiſtiue 'gainſt the ſunne, the raine, or wind, ¶ Which you ſhall lay on with a breath, or oyle, ¶ As you beſt like, and laſt ſome fourteen howres,[…]”A veil, pretense, mask; an artifice, deception.Any dye or colouring.