fucus

noun

Etymology: From New Latin Fūcus, from Ancient Greek φῦκος (phûkos).

1. Any 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.”

   “One of the feeblest of these inlets, after winding for some time among buried fragments of masonry, and knots of sunburnt weeds whitened with webs of fucus, stays itself in an utterly stagnant pool beside a plot of greener grass covered with ground ivy and violets.”

2. 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,[…]”

3. A veil, pretense, mask; an artifice, deception.
4. Any dye or colouring.