Liddell-Scott-Jones

καλυπτήρ (kaluptēr) a lid ^G:N-M

καλυπτήρ-ήρ, ῆρος, ὁ,

covering, sheath, [Refs 5th c.BC+]; νάρθηκας ἢ κ. [Refs 4th c.BC+]

__2 cover, [LXX]; lid, [Refs 1st c.BC+]
__3 plural, tiles, [Refs 2nd c.BC+], Demioprat. cited in [Refs 2nd c.AD+]
__4 metaphorically, οἱ τῆς πόλιος κ. 'pillars of society', [Refs 3rd c.BC+]

_{LSJ Scripture Refs: LXX.Num.4.13}