Lexical Definition

‎στρώννυμι‎ strṓnnymi (strone'-noo-mee) to spread G:V
prolongation from a still simpler , (used only as an alternate in certain tenses) (probably akin to ‎στερεός‎ through the idea of positing)

make bed, furnish, spread, strew.

Usage: 11 forms in 15 verses
Form Translated As     In Verse(s)
ἔστρωσαν spread Matt.21.8Mark.11.8
ἐστρώννυον were spreading Matt.21.8Mark.11.8
ἐστρωμένον furnished Mark.14.15Luke.22.12
στρῶσον do make the bed Acts.9.34
στρώσουσι they shall make a bed LXX.Isa.14.11
they shall spread LXX.Ezek.28.7
εστρωμένησ being a spread out LXX.Ezek.23.41
εστρωμέναι make a bed LXX.Prov.15.19
έστρωταί I will make LXX.Job.17.13
έστρωσεν she strew a bed LXX.2Sam.21.10
έστρωσε he spread forth LXX.Job.26.12
έστρωσαν they made beds LXX.Esth.4.3

Abbott-Smith

στρωννύω or στρώννυμι (v. Bl., § 23, 1; Veitch, s.v.), [in LXX for יצע hoph., etc. ;]
to spread: ἱμάτια ἐν τ. ὁδῷ (εἰς τ. ὁδόν), Mt 21:8, Mk 11:8; of making a bed, στρῶσον (sc. τ. κλίνην) σεαυτῷ, Ac 9:34; of furnishing a room, ἐστρωμένον, spread with carpets or carpeted couches (cf. Ez 23:41), Mk 14:15, Lk 22:12.†

Abbott-Smith References

Book Refs
Ezekiel 23:41
Matthew 21:8
Mark 11:8 · 14:15
Luke 22:12
Acts 9:34

Liddell-Scott-Jones

στρώννυμι,

[Refs 5th c.BC+]; imperative στόρνυ [Refs 5th c.BC+]; participle στορνύντες, στορνύντα, [Refs 5th c.BC+]; compound καστορνῦσα (={καταστ-}) [Refs 8th c.BC+]; also στορνύω (variant{στρωννύω}), [Refs 2nd c.AD+]; στρώννῡμι, [Refs 4th c.BC+] (written with one ν in [Refs 5th c.BC+]; also στρωννύω, [Refs 2nd c.AD+]: imperfect ἐστρώννυον [NT]: later στορεννύω, στορέννυμι, [Refs]; present participle στορεννύς (variant{στρωννύς}) [Refs 5th c.BC+]future στορῶ (παρα-) [LXX+5th c.BC+]; and στρωννύσω (ἐπι-) Ps.-[Refs 2nd c.AD+]; Doric dialect infinitive στορεσεῖν [Refs 3rd c.BC+]aorist ἐστόρεσα, Epic dialect and Lyric poetry στόρεσα, [Refs 8th c.BC+]: perfect ἔστρωκα [LXX]: pluperfect ἐστρώκειν [Refs 2nd c.AD+] —middle, στόρνῠμαι (ὑπο-) [Refs 5th c.BC+]: imperfect ἐστόρνυντο [Refs 3rd c.BC+]: future στρώσομαι [LXX]aorist ἐστορεσάμην, Epic dialect στ-, [Refs 5th c.BC+] —passive, στρώννῠμαι (variant{στορέννυμαι}) [Refs 3rd c.BC+]; ὑποστορένυσθαι is falsa lectio in [Refs 4th c.BC+]: aorist ἐστορέσθην [Refs 5th c.BC+]; ἐστρώθην (κατ-) [Refs 1st c.BC+]perfect ἐστόρεσμαι (ὑπ-) [Refs 5th c.BC+]: pluperfect ἐστόρεστο [Refs 8th c.BC+]:—spread the clothes over a bed, λέχος στορέσαι spread or make up a bed, [Refs 8th c.BC+]; so δέμνια, ῥῆγος σ., [Refs 8th c.BC+] (also in middle, ἐστόρνυντο τὰ κλισμία [Refs]: absolutely, make a bed, χαμάδις στορέσας [NT+8th c.BC+]

__b generally, spread, strew, ἀνθρακιὴν σ. [NT+8th c.BC+]: also in middle, frequently in [Refs 3rd c.BC+]
__2 spread smooth, level, πόντον σ. [Refs 8th c.BC+]; χρηστὴν ἡμῖν θάλαττα τὴν γαλήνην ἐστ. [Refs 4th c.AD+]; metaphorically, calm, soothe, ἀτέραμνον στορέσας ὀργήν [Refs 4th c.BC+]
__2.b level, lay low, πλάτανον δαπέδοις [Refs 5th c.BC+]
__3 ὁδὸν σ. pave a road, [Refs]:—passive, ἐστρωμένη ὁδός [Refs 5th c.BC+]; ἔδαφος λίθων πλαξὶ λείαις ἐστρ. [Refs 2nd c.AD+]
__II strew or spread with a thing, μυρσίνῃσι τὴν ὁδόν [Refs 5th c.BC+]; saddle a horse, provide a mount, τινι [Refs 7th c.AD+]:—passive, [Refs 5th c.BC+]; of a room, to be furnished with στρώματα, [NT]; πλοῖον.. ἐστρωμένον καὶ σεσανιδωμένον uncertain meaning in [Refs 3rd c.AD+]stṛṇómi, stṛṇā´mi 'strew', Latin sterno, Engl. strew.)

LSJ Scripture Refs: Matt.21.8LXX.Isa.14.11LXX.Prov.7.16LXX.Ezek.27.30Acts.9.34Mark.11.8Mark.14.15