a surname or epithet given to the several divinities at Rome, that were worshipped in the Penetrale, or the central part of the house, such as Jupiter, Vesta, the Penates, &c. (Senec. Oed. 265; Fest. s. v. Herceus; comp. PENATES.) [L.S]
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.