Īsaeus

i, m.
I. A Grecian orator of Chalcis, instructor of Demosthenes, Quint. 12, 10, 22.—
II. A contemporary of the younger Pliny, also a Grecian orator, Plin. Ep. 2, 3 init.; Juv. 3, 74.
Lewis & Short
A Latin Dictionary, 1879
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