A.tension, dilatation, ἔχειν δ. to have the power of dilatation, Arist.PA664a33 (v.l.); “κεφαλῆς διατάσεις καὶ ἰλίγγους” Pl. R.407c (prob.).
2. extension, of a fractured or dislocated limb, Hp.Off.15, cf. Heliod. ap. Orib.49.8.33; “σπαρτῶν” Alciphr.2.4.
3. stretching across: hence Medic., “δ. φρενῶν” diaphragm, Hp.VM22; δ. alone, Id.Coac.394; also of vaginal obstruction, Paul.Aeg.6.72.