vallum, i, n. [collective of 1. vallus; the line of palisades about an intrenchment; hence], 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, Ap. Dogm. Plat. 1, p. 10, 9.— Absol. : si interdicta petes vallo (i. e. stola) circumdata, etc., Hor. S. 1, 2, 96.