(adjective) : Dĭālis, e, from Dis, in Diespiter = Juppiter.
* Of or belonging to Jupiter: flamen, the priest of Jove (instituted by Numa, and the most distinguished of the flamines), Varr. L. L. 5, § 84; 6, § 16 Müll.; Fabius Pictor and Massurius Sabinus ap. Gell. 10, 15; Liv. 5, 52 fin.; Tac. A. 3, 58; Vell. 2, 43; Suet. Caes. 1; Ov. F. 2, 282 et saep.; called also: Dialis sacerdos,Suet. Dom. 4.—Subst.: Dialis, Fab. Pict. l. l.; Tac. A. l. l.; Ov. F. 3, 397: conjux sancta Dialis, his wife (who sometimes had a part in the sacrificial ceremonies), Ov. F. 6, 226 (cf. also, flaminica): Diale flaminium,his office,Suet. Aug. 31: apex Dialis,his priest's cap,Liv. 6, 41 fin.—With a punning derivation from dies: Solent esse flamines diales, modo consules diales habemus, consuls for a day, Cic. ap. Macr. S. 7, 3, p. 211 Bip.; cf. id. 2, 2, p. 335 Bip.—*
* Ethereal, aerial: viae, Ap. M. 6, p. 179, 18.

Male Personal name
Confirmed occurences in the Roman Empire:

• Dialis (Masc, senator), ref: PIR D 0068 | PIR ID5291

s. TLL