/of'ee yoor"oyd, oh'fee-/ , n.
1. any echinoderm of the subclass Ophiuroidea, including brittle stars, basket stars, and others, characterized by elongate arms radiating from the disk.
adj.
2. of or pertaining to the subclass Ophiuroidea.
[ 1885-90; Ophiuroidea the class, equiv. to Ophiur ( a ) the type genus ( ophíoura, fem. of ophíouros serpent-tailed ( ophí ( s ) snake + -ouros adj. deriv. of ourá tail)) + -oidea -OIDEA ]