intrench themselves at night

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vallo, āvi, ātum, 1, v. a. [vallum], in milit. lang., to surround with a rampart and palisades, to palisade, intrench, circumvallate (syn. saepio).

Lit.:

castra vallantem Fabium adorti sunt,

Liv. 9, 41, 15:

castra vallari placuit,

Tac. H. 2, 19; so, castra, Auct. B. Alex. 27, 6; 30, 2; Plin. 15, 18, 20, § 76:

vallare noctem,

i. e. to intrench themselves at night, Tac. G. 30:

nulli vallārant oppida muri,

Luc. 4, 224.— Absol.:

muniendo vallandoque militem firmabant,

Tac. H. 4, 26.—

Transf., in gen., to fortify, protect, defend with something:

elephantis aciem utrimque vallaverat,

Flor. 2, 8 fin.:

Macedoniam suam armis ferroque,

id. 2, 12, 4:

Pontus et regiis opibus et ipsā naturā regionis vallatus,

Cic. Arch. 9, 21:

urbs Capsa in mediā Africā sita anguibus arenisque vallata,

Flor. 3, 1, 14:

cum gladio te vallare scieris, vallum ferre desinito,

Liv. Epit. 57:

vallatus bello,

Luc. 6, 29:

videbant Catilinam... vallatum indicibus atque sicariis,

Cic. Mur. 24, 49:

haec omnia quasi saepimento aliquo vallabit disserendi ratione,

id. Leg. 1, 24, 62:

jus legatorum divino jure esse vallatum,

id. Har. Resp. 16, 34:

ignotae cumulis vallatus harenae,

Prop. 3, 16 (4, 15), 29:

templa praesenti numine vallata,

Val. Max. 9, 11, ext. 4:

hydra venenatis vallata colubris,

Lucr. 5, 27; cf. Val. Fl. 1, 697; Sen. Herc. Oet. 1932; Sil. 7, 407:

sol radiis frontem vallatus acutis,

Ov. H. 4, 159:

vallantur planctibus arae,

Stat. Th. 10, 564.— To surround:

abyssus vallavit me,

Vulg. Jonae, 2, 6.