Lewis & Short

1. dūrĭus or dūrēus, a, um, adj., = δούριος or δούρειος, equus, the Trojan horse, Aur. Vict. Orig. 1; Paul. ex Fest. p. 82, 12.
Poet. transf.: duria nox, i. e. the night in which the Greeks descended from the interior of the horse, Val. Fl. 2, 573; cf. durateus.