1. to hearken to, listen to , with genitive pers. accusative rei, (Thucydides), etc.; with genitive rei, (Thucydides)

2. absolute to listen , ὁ ἀκροώμενος a hearer, disciple , (Plato Philosophus)

3. to attend to, obey , τινός (Thucydides), etc. (ML)