A.measure, survey land, BGU12.27 (ii A. D.):— but usu., practise or profess geometry, Pl.Tht.162e, Men.85e, Arist. Rh.1406b30.
II. generally, measure, c. acc., “τὸν ἀέρα” Ar.Av.995; “τὰ ἐπίπεδα” Pl.Tht.173e, cf. X.Smp.6.8, BGU12.27 (ii A. D.), Luc. Icar.21 (Pass.).