Lewis & Short

Bērōsus, i, m., = Βηρωσσός, a distinguished Babylonian astrologer of the time of Ptolemy Philadelphus, Vitr. 9, 1, (4); Sen. Q. N. 3, 29, 1; Plin. 7, 37, 37, § 123; 7, 49, 50, § 160; Tert. Apol. 19.