starfish

Definitions

• 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.
• (obsolete) Any many-armed or tentacled sea invertebrate, whether cnidarian, echinoderm, or cephalopod.
• (slang) A woman who reluctantly takes part in sexual intercourse, and lays on her back while spreading her limbs.
• (vulgar) The anus.