oppugnatorius
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
Latin > English (Lewis & Short)
oppugnātōrĭus: (obp-), a, um, adj. oppugnator,
I of or belonging to a siege (only in Vitr.): res, Vitr. 10, 22; id. 10, 19.
Latin > French (Gaffiot 2016)
oppugnātōrĭus, a, um, qui sert à l’attaque [d’une ville] : Vitr. Arch. 10, 12, 2.