Extended Strong's Greek Lexicon (Abbott-Smith based)
prostitute
Usage: πόρνη, -ης, ἡ [in LXX chiefly for זָנָה ;] a prostitute, harlot: Mat.21:31-32, Luk.15:30, 1Co.6:15-16 Heb.11:31, Jas.2:25. Metaphorical (see Swete, Ap., 180 f.), of Babylon (i.e. Rome): Rev.17:1, 5 17:15-16 19:2.† (AS)