Lexical Definition

‎στερέωμα‎ steréōma (ster-eh'-o-mah) firmness G:N-N
from ‎στερεόω‎

stedfastness.

Usage: 6 forms in 24 verses
Form Translated As     In Verse(s)
στερεώματοσ firmament LXX.Gen.1.7 • LXX.Gen.1.7 • LXX.Deut.33.26 • LXX.Ezek.1.23 • LXX.Ezek.1.25 • LXX.Ezek.10.1 • LXX.Dan.12.3
of firmament LXX.Exod.24.10
στερεώματι firmament LXX.Gen.1.14 • LXX.Gen.1.15 • LXX.Gen.1.17 • LXX.Ps.150.1
firmness LXX.Ezek.13.5
στερεώμα firmament LXX.Gen.1.8
στερέωμα a firmament LXX.Gen.1.6 • LXX.Ezek.1.22
confirmation LXX.Esth.9.29 • LXX.Ps.73.4
firmament LXX.Gen.1.20 • LXX.Ps.19.1
firmness Col.2.5
στερέωμά my confirmation LXX.Ps.71.3
my firmament LXX.Ps.18.2
στέρεωμα firmament LXX.Gen.1.7

Abbott-Smith

στερέωμα, -τος, τό (< στερεόω), [in LXX: Ge 1:6 ff., Ps 18 (19):1* 150:1, Ez 1:22-26 10:1 13:5, Da LXX, TH 3:(56), 12:3 (רָקִיעַ), De 33:26 (שׁחק), Ps 17 (18):2* 70 (71):3* (סֶלַע), Es 9:29, I Es 8:78 (82), Si 43:1, 8, I Mac 9:14 * ;]
a solid body;
(a) a support, foundation (Arist., al.); metaph., strength (Ps 17* 70*, I Mac, ll. c.); steadfastness, firmness: τ. πίστεως, Col 2:5;
(b) the dome of heaven (believed to be a solid canopy), the firmament (LXX).†

Abbott-Smith References

Book Refs
Genesis 1:6
Deuteronomy 33:26
Psalms 17:1* · 18:2* · 19:1* · 70:1* · 71:3* · 150:1
Ezekiel 1:22 · 10:1 · 13:5
Colossians 2:5

Liddell-Scott-Jones

στερέωμα-ωμα, ατος, τό,

solid body, [Refs 5th c.BC+]

__b ἄϋλα σ. immaterial solids, [Refs 5th c.AD+]
__2 foundation or framework, e.g. the skeleton, on which the body is, as it were, built, [Refs 4th c.BC+]; στερεώματος ἕνεκα τοῦ περιτρήτου to strengthen it, [Refs 2nd c.BC+]: metaphorically, solid part, strength of an army, [LXX]; also, ratification, ἐπιστολῆς[LXX]; steadfastness, τῆς πίστεως [NT]
__3 ={στεῖρα} (of a ship), [Refs 4th c.BC+]
__4 firmament, i.e. the sky, the heaven above, [LXX+3rd c.AD+]

LSJ Scripture Refs: LXX.Esth.9.29 ☩ Col.2.5 ☩ LXX.Gen.1.6 ☩ LXX.Ezek.1.22