Usage: 4 forms in 15 verses
Form Translated As     In Verse(s)
λουτήρων bathing tubs LXX.1Kgs.7.30
λουτήρεσ bathing tubs LXX.1Kgs.10.21
λουτήρασ bathing tubs LXX.2Chr.4.6LXX.2Chr.4.14
λουτήρα a bathing tub LXX.Exod.30.18
bathing tub LXX.Exod.30.28LXX.Exod.31.9LXX.Exod.35.16LXX.Exod.38.8LXX.Exod.39.39LXX.Exod.40.7LXX.Exod.40.11LXX.Exod.40.30LXX.Lev.8.11LXX.2Kgs.16.17

Liddell-Scott-Jones

λουτήρ (loutēr) a bathing tub G:N-M

λουτήρ-τήρ, ῆρος, ,

washing or bathing-tub, [LXX+4th c.BC+]

LSJ Scripture Refs: LXX.Exod.30.18