Lewis & Short

2. Mŏlo or Mŏlon, ōnis, m., a surname of Apollonius of Rhodes, a Greek rhetorician, one of Cicero’s teachers, who came to Rome as an ambassador of the Rhodians, Cic. Brut. 70, 245; 90, 311; id. Att. 2, 1, 9; Quint. 12, 6, 7, etc.