A.go straight forward, πότμος εὐθυπορῶν (metaph. from a ship) unswerving destiny, A.Ag.1005 (lyr.); of motion, Arist.IA 710a7; opp. ἀνακάμπτειν, of ἀποδείξεις, Id.de An.407a29: c. acc. cogn., εὐ. ὁδόν, δρόμον, hold a straight course, Pi.O.7.91, I.5(4).60.
II. have a straight grain, of trees, Thphr.CP1.8.4.