Any of various asteroids or other echinoderms (not in fact fish) with usually five arms, many of which eat bivalves or corals by everting their stomach.
Any many-armed or tentacled sea invertebrate, whether cnidarian, echinoderm, or cephalopod.
A woman who reluctantly takes part in sexual intercourse, and lays on her back while spreading her limbs.
(usually in translations of Japanese pornography) The anus.