Usage: 2 forms in 4 verses
Form Translated As     In Verse(s)
βελοστάσεων of a range of weapons LXX.Ezek.17.17
βελοστάσεισ a range of weapons LXX.Jer.51.27LXX.Ezek.21.22
range of weapons LXX.Ezek.4.2

Liddell-Scott-Jones

βελόστασις (belostasis) weaponry G:N-F

βελόστασις-στᾰσία, ,

range or battery of warlike engines, [Refs 2nd c.BC+]