gĕnethlĭăcus

a, um, adj.
I. of or belonging to one's natal hour or nativity, genethliacal.
I. adj.: ratio, 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.
Lewis & Short
A Latin Dictionary, 1879
An open-access project