κοίλασμα
From LSJ
νύμφην τ' ἄνυμφον παρθένον τ' ἀπάρθενον → wife unwed and virgin that is no virgin | bride that is no bride, virgin that is virgin no more | virgin wife and widowed maid | unwed bride and ravished virgin
English (LSJ)
ατος, τό,
A hollow, LXX Is.8.14; groove, Apollod.Poliorc.182.7, Ath.Mech.36.6; interior of a lamp, Hero Spir.2.22.