Top definition
1. A type of algae found on the shores of Europe and North America.

2. A word that disappoints elementary school children looking to find "fuck" right after "fuchsia" in the dictionary. Most elementary school dictionaries don't contain obscene words, so where "fuck" should be, they will instead find "fucoid".
1. I was wading out in the Pacific Ocean when I overturned an underwater rock, and tripped on some slimy fucoid.

2. God damn it, it's another fucoid dictionary. Gimme the next one.
by fucoid August 28, 2006
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