πολιορκητικός
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
ή, όν,
A of or for besieging, αἱ π. ἐπίνοιαι Plb.1.58.4. II τὰ π. ἔργα siege-works, D.S.20.103; ὄργανα Posidon.36 J., Str.16.1.24. 2 π., τά, title of treatise by Apollodorus of Damascus.