Fucus

Definition:

(n.) A paint; a dye; also, false show.
(n.) A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed.

Compare fucus with other words:

fucus vs. mucus

ficus vs. fucus

focus vs. fucus

fucoid vs. fucus

concentration vs. fucus

fucus vs. wrack