Dictionary entry

κιβωτός

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

κιβωτός, -οῦ, ἡ,

[in LXX: Ge 6-9 (תֵּבָה), elsewhere, very freq., as Ex 25:9 (10), for אָרוֹן;]

a wooden box or chest: of Noah's ark, Mt 24:38, Lk 17:27, He 11:7, I Pe 3:20; of the ark of the covenant, He 9:4, Re 11:19.†