Lexical Definition

‎συγχράομαι‎ synchráomai (soong-khrah'-om-ahee) to associate with ^G:V
from ‎σύν‎ and ‎χράομαι‎

have dealings with.

• to use jointly, i.e. (by implication) to hold intercourse in common

Abbott-Smith

**† συν-χράομαι (Rec. συγ-), -ῶμαι, [in Al.: I Ki 30:19 * ;]
to use together with. Metaph., c. dat. pers., to associate with: Jo 4:9 (Polyb., al.).†

Abbott-Smith References

Liddell-Scott-Jones

συγχράομαι,

make use of, avail oneself of, τῇ συμμαχίᾳ τοῖς καιροῖς, etc., [Refs 2nd c.BC+]; συναγωνιστῇ τῷ ποταμῷ as a coadjutor, [Refs 2nd c.BC+]; πόρῳ [Refs 2nd c.AD+]; of commercial dealings, σ. τῇ νήσῳ [Refs]: generally, have dealings, associate with, Σαμαρείταις [NT+2nd c.AD+]

__II borrow jointly, τινῶν τριήρεις [Refs 2nd c.BC+]:— passive, σιτικὰ τὰ συγχρησθέντα [Refs 3rd c.BC+]

_{LSJ Scripture Refs: John.4.9}