1. a bending, winding , of a river, (Herdotus Historicus)

2. the turning in a race-course, turning-post , (Aristophanes Comicus): metaphorically, μῦθον ἐς καμπὴν ἄγειν to bring a speech to its middle or turning point , (Euripides); καμπὰς ποιεῖσθαι (Plato Philosophus) (ML)