Usage: 2 forms in 8 verses
Form Translated As     In Verse(s)
πολυανδρίω cemetery LXX.Jer.2.23
πολυάνδριον a cemetery LXX.Ezek.39.11
cemetery LXX.Jer.19.2LXX.Jer.19.6LXX.Jer.19.6LXX.Ezek.39.11LXX.Ezek.39.15LXX.Ezek.39.16

Liddell-Scott-Jones

πολυάνδριον (poluandrion) a cemetery G:N-N

πολυάνδριον-ιος, ον,

of or connected with many men, τὸ π. κακὸν μεταδιώκειν, i. e. prostitution, [Refs 1st c.AD+]; π. τάφος, ={πολυανδρεῖον}, [Refs 4th c.BC+]; π. δαίμονες spirits which haunt a πολυανδρεῖον, [Refs]

__II substantive πολυάνδριον-ιον, τό, place where many people assemble, [Refs 1st c.AD+]
__II.2 ={πολυανδρεῖον}, [Refs 3rd c.BC+]