I added the parentheses in the verse for clarification.
Fornication
porneia (por-nā'-ä)
Part of Speech
feminine noun
1) illicit sexual intercourse
a) adultery, fornication,
homosexuality, lesbianism, intercourse with animals etc.
b) sexual intercourse with close relatives;
Lev. 18
c) sexual intercourse with a divorced man or woman;
Mk. 10:11,12
2) metaph. the worship of idols
a) of the defilement of idolatry, as incurred by eating the sacrifices offered to idols