Category:Fucus

Fu"cus, n.; pl. Fuci. Etym: [L. rock lichen, orchil, used as a red dye, red or purple color, disguise, deceit.]

1. A paint; a dye; also, false show. [Obs.]

2. (Bot.)

Defn: A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed.

Note: Formerly most marine alg were called fuci.