Starfishes meaning : 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.