ex-spătĭor (exp-), ātus, 1, v. dep. n., to wander from the course, go out of the way; to spread out, extend; to digress, expatiate (poet. and in post-Aug. prose).
I Lit.: exspatiantur equi, Ov. M. 2, 202; cf. id. ib. 15, 454: exspatiata ruunt per apertos flumina campos, id. ib. 1, 285: ignes in auras, Sil. 17, 95: arbores latissima umbra exspatiantes, Plin. 16, 30, 53, § 124: tecta, id. 3, 5, 9, 67: brachium in latus, Quint. 11, 3, 84. —
II Trop.: finis non erit, si exspatiari parte in hac et indulgere voluptati velim, enlarge on this head , Quint. 2, 17, 1: (juvenes) ut exspatientur, id. 2, 10, 5: hoc exspatiandi genus, id. 4, 3, 4.