- Properly, belonging to an order of alga: (Fucoideae) which
are blackish in color, and produce oospores which are not fertilized
until they have escaped from the conceptacle. The common rockweeds and
the gulfweed (Sargassum) are fucoid in character. - In a vague sense, resembling seaweeds, or of the nature of
seaweeds.
2 . Fucoid
[ n.]
- A plant, whether recent or fossil, which resembles a
seaweed. See Fucoid, a.