Fucoid /(?)/

Fu·coid

Fucoid

a.
  1. Properly, belonging to an order of alga: (Fucoideæ) which are blackish in color, and produce oöspores which are not fertilized until they have escaped from the conceptacle. The common rockweeds and the gulfweed (Sargassum) are fucoid in character. (Bot.)

Fucoid

n.
  1. A plant, whether recent or fossil, which resembles a seaweed. See Fucoid, a. (Bot.)