What is the meaning of Koraal?

A coral; any of various coralline tiny organisms of the class Anthozoa, notably of genus Corallium, who live in marine colonies.

The coral (calceous substance) they produce while building their colonies.

A bead made from or resembling natural coral.

A male chorister, choir singer, choir boy (especially a treble).

A chorale, religious musical genre.

Source: wiktionary.org