Liddell-Scott-Jones

κοίλωμα (koilōma) a hollow ^G:N-N

κοίλωμα-ωμα, ατος, τό,

hollow, cavity, [Refs 4th c.BC+]; [τοῦ νώτου] [Refs 4th c.BC+]

__2 basin into which rivers discharge, [Refs 2nd c.BC+]; bed of a torrent, [Refs]: generally, of hollow places, low-lying land, [LXX+2nd c.BC+]; excavation, [Refs 3rd c.BC+]
__II ulcer on the cornea, [Refs 2nd c.AD+]
__III Astrology texts, ={ταπείνωμα}, [Refs 4th c.AD+]
__IV metaphorically, τὰ κ. τῆς εὐτυχίας weak points in.., [Refs 1st c.BC+]

_{LSJ Scripture Refs: LXX.Gen.23.2}