Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
εξηλιασμένων ones hanging in the sun LXX.2Sam.21.13
εξηλιάσωμεν we will hang them in the sun LXX.2Sam.21.6
εξηλίασαν they hung them in the sun LXX.2Sam.21.9

Liddell-Scott-Jones

ἐξηλιάζω (exēliazō) to hang in the sun G:V

ἐξηλιάζω,

hang in the sun, as a form of torture, [LXX]:— passive, to be burnt by the sun, [Refs 5th c.AD+]

LSJ Scripture Refs: LXX.2Kgs.21.6