I.an earthen wall or rampart set with palisades, a palisaded rampart, intrenchment, circumvallation.
I. Lit., Varr. L. L. 5, § 117 Müll.; Liv. 33, 5, 4 sq.: “castra vallo fossāque munire,” Caes. B. G. 2, 5: “aliquem vallo et fossā saeptum tenere,” Cic. Att. 9, 12, 3: “oppidum vallo et fossā cingere,” id. ib. 5, 20, 5: “oppidum vallo et fossā circumdare,” id. Fam. 15, 4, 10; Sall. J. 76, 2; Liv. 7, 23, 5; Verg. A. 9, 146; 9, 506; 9, 524; Hor. Epod. 9, 13 al.—
II. Transf., in gen., a wall, rampart, fortification; with gen.: “non Alpium vallum contra ascensum transgressionemque Gallorum obicio et oppono,” Cic. Pis. 33, 81: “India vallo munitur eburno,” Lucr. 2, 538: “saepes pastorum munita vallo arboris,” Plin. 12, 5, 11, § 22: “(spica) contra avium minorum morsus munitur vallo aristarum,” Cic. Sen. 15, 51: “munitae sunt palpebrae tamquam vallo pilorum,” id. N. D. 2, 57, 143: “dentium,” App. Dogm. Plat. 1, p. 10, 9.—Absol.: “si interdicta petes vallo (i. e. stola) circumdata, etc.,” Hor. S. 1, 2, 96.