noun Marcus Te·ren·ti·us [tuh-ren-shee-uh s, -shuh s] /təˈrɛn ʃi əs, -ʃəs/, c116–27? b.c., Roman scholar and author. nounMarcus Terentius (ˈmɑːkəs təˈrɛntɪəs). 116–27 bc, Roman scholar and satirist