OPHIUROID
- a member of the Ophiura genus of brittle-stars or sand-stars also OPHIURA, OPHIURAN, OPHIURID [n -S]
- any echinoderm of the subclass Ophiuroidea, including brittle stars, basket stars, and others, characterized by elongate arms radiating from the disk
- of or pertaining to the subclass Ophiuroidea