Dict: smith - TYRANNUS

smith:

TYRANNUS - T>@ - (sovereign), the name of a man in whose school or place of audience Paul taught the gospel for two years, during his sojourn at Ephesus.
See kjv@Acts:19:9) (A.D. 52-53.) The presumption is that Tyrannus himself was a Greek, and a public teacher of philosophy or rhetoric.