Lewis Short
circum-vādo, vāsi, 3
* V.a., to assail or attack on every side, to encompass, beset (not ante-Aug.).
* Prop.: naves,Liv. 10, 2, 12: aliquem clamoribus turbidis, * Tac. A. 12, 43: redeuntem noctu,Plin. 9, 30, 48, § 92. —Pass., Amm. 20, 6, 3.
* Trop., ofterror falling upon one (so only a few times in Liv.): novus terror cum ex parte utrāque circumvasisset aciem,Liv. 9, 40, 13: barbaros,id. 34, 21, 5: urbem,id. 34, 38, 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary