Lexical Definition

‎ἱλαστήριον‎ hilastḗrion (hil-as-tay'-ree-on) propitiation G:N-N
neuter of a derivative of ‎ἱλάσκομαι‎

mercyseat, propitiation.

Usage: 3 forms in 32 verses
Form Translated As     In Verse(s)
ἱλαστήριον a propitiation Rom.3.25
mercy seat Heb.9.5
ιλαστηρίου atonement-seat LXX.Exod.25.18 • LXX.Exod.25.19 • LXX.Exod.25.20 • LXX.Exod.25.22 • LXX.Exod.37.7 • LXX.Exod.37.8 • LXX.Exod.37.9 • LXX.Lev.16.2 • LXX.Lev.16.2 • LXX.Lev.16.14 • LXX.Lev.16.15 • LXX.Num.7.89 • LXX.1Chr.28.11 • LXX.Ezek.43.14 • LXX.Ezek.43.20
ιλαστήριον an atonement-seat LXX.Exod.25.17
atonement-seat LXX.Exod.25.20 • LXX.Exod.25.21 • LXX.Exod.31.7 • LXX.Exod.35.12 • LXX.Exod.37.6 • LXX.Exod.37.9 • LXX.Exod.40.20 • LXX.Lev.16.13 • LXX.Lev.16.14 • LXX.Lev.16.15 • LXX.Ezek.43.14 • LXX.Ezek.43.14 • LXX.Ezek.43.17 • LXX.Amos.9.1

Abbott-Smith

† ἱλαστήριος, -α, -ον (< ἱλάσκομαι), [in LXX: IV Mac 17:22; neut., Ex 25:16*(17*) ff. 31:7 35:12 38:5* (37:6) ff., Le 16:2, 13 ff. Nu 7:89 (כַּפֹּרֶת), Ez 43:14, 17, 20 (עֲזָרָה) Am 9:1 (on the original here, v. Deiss., BS, 127)*;]
propitiatory (μνῆμα, FlJ, Ant., xvi, 7, 1; θάνατος, II Mac, l.c.): of Christ, Ro 3:25; as subst., το ἱ. (sc. ἐπίθεμα, Ex 25:16*, 17*, where the word first occurs in LXX and where ἱ. ἐ. = כַּפֹּרֶת (q.v. in BDB, s.v.), elsewhere rendered simply τὸ ἱ; cf. Deiss., 124 ff.; Westc., He., in l.), He 9:5.†

Abbott-Smith References

Book Refs
Exodus 25:16* · 25:17* · 31:7 · 35:12 · 37:6 · 38:5*
Leviticus 16:2 · 16:13
Numbers 7:89
Ezekiel 43:14 · 43:17 · 43:20
Amos 9:1
Romans 3:25
Hebrews 9:5

Liddell-Scott-Jones

ἱλαστήριος-τήριος, α, ον

(ος, ον [Refs 2nd c.AD+], propitiatory, offered in propitiation, μνῆμα [LXX+1st c.AD+]; θυσίαι [Refs]

__II ἱλαστήριον ἐπίθεμα, the mercy-seat, covering of the ark in the Holy of Holies, [LXX] alone as substantive,[LXX+NT+1st c.AD+]
__II.2 (i.e. ἀνάθημα) propitiatory gift or offering, [NT]; of a monument, [Refs]
__II.3 monastery, Men.Prot.p.15 [Refs 4th c.BC+]

LSJ Scripture Refs: LXX.Exod.25.16* ☩ LXX.Lev.16.2 ☩ Heb.9.5 ☩ Rom.3.25