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