from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or belonging to the order Fucales, which includes brown algae such as gulfweed and rockweed.
- n. A member of the order Fucales.
- n. A fossilized cast or impression of such an organism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resembling or relating to seaweeds of the genus Fucus.
- adj. Of sandstone: containing seaweed-like markings.
- n. A fucoid seaweed.
from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
- adj. In a vague sense, resembling seaweeds, or of the nature of seaweeds.
- n. A plant, whether recent or fossil, which resembles a seaweed. See fucoid, a.
from The Century Dictionary and Cyclopedia
- Pertaining to or resembling seaweeds, especially those belonging to the Fucaceæ; also applied to species of Phæosporeæ, which are sometimes classed as Fucoideæ.
- Containing or characterized by impressions of fucoids or by markings resembling those made by fucoids. Also fucoidal, fucous.
- n. An alga belonging to the Fucoideæ—that is, to the Fucaceæ or to the Phæosporeæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of various algae of the family Fucaceae
- n. a fossilized cast or impression of algae of the order Fucales
fuc(us) + -oid.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek φῦκος (phŷkos, "seaweed"). (Wiktionary)