εὐθύγραμμος

English (LSJ)

ον, = foreg., Arist.Cael.286b13, al.; γωνία Oenopides ap. Procl.in Euc.p.333F., cf. Euc.1.44; τὸ εὐ. (with or without σχῆμα)

   A rectilinear figure, Arist.APr.69a31, Pr.913b18, Thphr.HP1.12.1.

German (Pape)

[Seite 1070] geradlinig, σχῆμα Arist. coel. 2 Meteor. 10, 2; τὸ εὐθ., geradlinige Figur, Mathem., Plut.