Lexical Definition

‎σύνδεσμος‎ sýndesmos (soon'-des-mos) bond(age) ^G:N-M
from ‎σύν‎ and ‎δεσμόν‎

band, bond.

• a joint tie, i.e. ligament, (figuratively) uniting principle, control

Abbott-Smith

σύν-δεσμος, -ου, ὁ (< συνδέω), [in LXX for קשׁר, קטר, etc. ;]
that which binds together, a bond: of the ligaments of the body, Col 2:19. Metaph., σ. ἀδικίας, Ac 8:23; τ. τελειότητος, Col 3:14; τ. εἰρήνης, Eph 4:3 (v. Lft., Col., ll. c.).†

Abbott-Smith References

Liddell-Scott-Jones

σύνδεσμος-ος, ὁ,

irregular plural σύνδεσμοςα [Refs 5th c.BC+]:—that which binds together, bond of union, fastening, ξ. ἦν.. τὰ ξύλα, τοῦ μὴ ἀσθενὲς εἶναι τὸ οἰκοδόμημα [Refs 5th c.BC+]; ἀραρότως σύνδεσμοςα χρυσὸς εἶχε the golden headband kept its bonds firmly fixed, [Refs 5th c.BC+]; ἁμμάτων σύνδεσμοςα fastenings of garments, [Refs]; μελέων σύνδεσμοςα, of sinews or ligaments, [NT+5th c.BC+]

__2 metaphorically, bond of union; ὁ σ. τῆς πόλεως the bond that keeps the state together, of good citizens, [NT+5th c.BC+]
__3 Grammars, conjunction, [Refs 4th c.BC+]; σ. ἓν ποιεῖ τὰ πολλά[Refs 3rd c.BC+]
__II ={σύνδεσις}[Refs 5th c.BC+]
__III that which is bound together, bundle, ἐπιστολῶν [Refs 2nd c.AD+]
__IV conspiracy, [LXX]
__V sodomy,[LXX]
__VI Astron., node, [Refs 4th c.BC+]
__VI.2 Σ. the Knot, i.e. the star a Piscium, [Refs 2nd c.BC+]
__VI.3 Astrology texts, connexion of heavenly bodies, [Refs 2nd c.AD+]; of the moon, [Refs 4th c.AD+]

_{LSJ Scripture Refs: Col.2.19 ☩ Col.3.14 ☩ LXX.2Kgs.11.14 ☩ LXX.1Kgs.14.24}