What is the meaning of Starfish?

Any of various 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 (or, less commonly, a gay man) who reluctantly takes part in sexual intercourse, and lies on the back while spreading the limbs.

The anus.

To assume a splayed-out shape, like that of a starfish.

1. While floating on water

While floating on water

To form into a splayed-out shape, like that of a starfish.

Source: wiktionary.org