Lexical Definition

‎ἐνέδρα‎ enédra (en-ed'-rah) plot/ambush G:N-F
feminine from ‎ἐν‎ and the base of ‎ἑδραῖος‎

lay wait.

Usage: 5 forms in 6 verses
Form Translated As     In Verse(s)
ἐνέδραν ambush Acts.23.16
an ambush Acts.25.3
ενέδρασ ambush LXX.Josh.8.7
ενέδραν ambush LXX.Josh.8.9
ενέδρα to ambush LXX.Ps.10.8
ένεδρα an ambush LXX.Josh.8.14

Abbott-Smith

ἐν-έδρα, -ας, ἡ (< ἕδρα, a seat), [in LXX: Jos 8:7, 9, Ps 10:8 (אָרַב)* ;]
a lying in wait, an ambush: Ac 23:16 (Rec. ἔνεδρον, a form freq. in LXX), Ac 25:3.†

Abbott-Smith References

Book Refs
Joshua 8:7 · 8:9
Psalms 10:8
Acts 23:16 · 25:3

Liddell-Scott-Jones

ἐνέδρα-α, ,

sitting in: hence, lying in wait, ambush, [ἐνέδρααι κατασκευάζονται 5th-6th c.BC: Xenophon Historicus “de Equitum magistro” 4.10; ἐνέδρααν τιθέναι 1st c.BC: Diodorus Siculus Historicus 19.108; θέσθαι 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Romulus” 23; εἰς ἐ. ἐμπίπτειν 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 8.5.14 ">Refs 5th c.BC+]; ἐκ τῆς . ἀνίστασθαι[Refs 5th c.BC+]

__b men laid in ambush, τὴν . ἐζανιστάναι [Refs 5th c.BC+]
__2 metaphorically, trickery, treachery, δόλου καὶ ἐνέδραας πλήρης [ἐνέδραας ἕνεκα 4th c.BC: Antiphanes Comicus 124.7 ">Refs 5th c.BC+]; ἐξ ἐνέδραας, opposed to φανερῶς, [ἐνέδραας 2nd c.AD: Appianus Historicus “Bella Civilia” 1.30, cf. Archig.ap 4th c.AD: Oribasius Medicus 8.2.20. ">Refs 1st c.AD+]
__II position, ναρθήκων [Refs 5th c.BC+]
__III delay, περί τι [Refs 3rd c.AD+]