A.inscribing, “εἰς τὸν κύκλον” Pl.Men.87b.
II. tension, straining, “τοῦ ὑποχονδρίου” Hp.Epid.3.1.β́; τοῦ σώματος Id. Aër.4; “τῶν ῥάβδων” Id.Fract.30; ὀφθαλμῶν fixed stare, prob. in Aret. CD1.3 (pl.); distension, “αἰδοίων” Gal.7.728.
3. ἡ τοῦ προσώπου ἔ. the assumption of a serious face, Luc.Symp.28; earnestness, “περὶ ἑκάστου” Porph.Abst.1.54; strictness, “νόμων” PSorb.675.14 (iii A. D.).
4. Arch., swelling in the outline of a column, Vitr.3.3.13.