κεραυνοσκοπεῖον

τὸ γὰρ ὑπέγγυον δίκᾳ καὶ θεοῖσιν → liability to human and divine justice

Click links below for lookup in third sources:

Full diacritics: κεραυνοσκοπεῖον	Medium diacritics: κεραυνοσκοπεῖον	Low diacritics: κεραυνοσκοπείον	Capitals: ΚΕΡΑΥΝΟΣΚΟΠΕΙΟΝ
Transliteration A: keraunoskopeîon	Transliteration B: keraunoskopeion	Transliteration C: keravnoskopeion	Beta Code: keraunoskopei=on

English (LSJ)

τό,

A machine for making thunder on the stage, Poll.4.127,130.