gĕnethlĭăcus, a, um, adj., = γενεθλιακός, of or belonging to one's natal hour or nativity, genethliacal.
I adj.: ratio, the art of calculating nativities , Arn. 2, 116; cf. in the foll.—
II Subst.
A gene-thliacus , i, m., a calculator of nativities , Gell. 14, 1, 1.—
B genethliace , ēs, f., the art of calculating nativities , genethliacs , Mart. Cap. 3, § 228; 9, § 894.—
C Gene-thliacon , i, n., a birth-day poem , the title of a poem by Statius, Stat. S. 2, 7.