Lexical Definition

‎συνοχή‎ synochḗ (soon-okh-ay') anguish ^G:N-F
from ‎συνέχω‎

anguish, distress.

• restraint, i.e. (figuratively) anxiety

Abbott-Smith

συν-οχή, -ῆς, ή (< συνέχω), [in LXX: Jg 2:3 (?), Jb 30:3 (שׁוֺאָה), ib. 38:28 A; Mi 5:1* (4:14), Je 52:5 (מָצוֹר) * ;]
1. a holding or being held together.
2. a narrow place (Hom., al.). Metaph., straits, distress: Lk 21:25; καρδίας, II Co 2:4.†

Abbott-Smith References

Liddell-Scott-Jones

συνοχή-ή, ἡ,

(συνέχω) holding together, μηχανημάτων [Refs 4th c.AD+]; grasping in the hand, ῥόας [Refs 2nd c.AD+]

__2 maintenance, control, σ. ἡ ἑαυτοῦ selfmaintenance, [Refs 4th c.BC+]
__II (συνέχομαι) a being held together,
__II.1 contraction, ἐν ξυνοχῇσιν ὁδοῦ where the road contracts, at a narrow part of the road, [Refs 8th c.BC+]; ἁλὸς ἐν ξυνοχῇσιν in the narrows or straits, [Refs 3rd c.BC+]
__II.2 conflict in battle, ἐνὶ ξυνοχῇσιν ἀγῶνος [Refs 3rd c.BC+]
__II.3 continuity, [Refs 4th c.BC+]; coherence, σ. καὶ ἕνωσις τῶν μερῶν [Refs 5th c.AD+]; combination of elements, [Refs 3rd c.AD+]
__II.3.b intension or connotation, [Refs 5th c.AD+]
__II.4 line of union, meeting-place, βλεφάρων [Refs 5th c.AD+]; ξ. χιτῶνος the joining of the tunic on the shoulder, [Refs 3rd c.BC+]; ἡ κατὰ τὴν ἐσθῆτα σ. the clinging of the garment to the body, [Refs 2nd c.AD+]
__II.5 metaphorically, distress, affliction, [NT]; oppression, [Refs 2nd c.AD+]; detention, imprisonment, [Refs 1st c.BC+]: but of going to bed in disease, ἀκίνδυνος ἔσται ἡ σ. [Refs 2nd c.BC+]
__II.6 trap, gin, snare, [LXX]

_{LSJ Scripture Refs: Luke.21.25 ☩ 2Cor.2.4 ☩ LXX.Judg.2.3}