Quick Definition
a partaker with, co-partner
Strong's Definition
a co-participant
Derivation: from G4862 (σύν) and G2844 (κοινωνός);
KJV Usage: companion, partake(-r, -r with)
Thayer's Greek Lexicon
συγκοινωνός (T WH συνκοινωνος (cf. σύν, II. at the end)), συγκοινωνον, participant with others in (anything), joint partner: with a genitive of the thing (cf. Winer's Grammar, § 30, 8 a.), Rom_11:17; 1Co_9:23; with the addition of the genitive of the person with whom one is partaker of a thing, Php_1:7; followed by ἐν, with a dative of the thing, Rev_1:9.
Mounce Concise Greek Dictionary
συγκοινωνός synkoinō nos 4 x
one who partakes jointly; a coparticipant, Rom_11:17 ;
a copartner in service, fellow, 1Co_9:23 ; Php_1:7 ;
a sharer, 1Co_9:23 ; Rev_1:9
Abbott-Smith Greek Lexicon
*† συν -κοιιωνός
( Rec. συγκ -), όν ,
partaking jointly of: c . gen . rei , Rom_11:17 , 1Co_9:23 ; id . c . gen . pers ., Php_1:7 ; seq . ἐν , Rev_1:9 .†
Moulton & Milligan — Vocabulary of the Greek NT
συνκοινωνός (~ συγκοινωνός ) [page 609]
fellow-sharer, joint partaker, c. gen. pers. as in Php_1:7 , occurs in P Bilabel 19 ( b .) .2 (A.D. 110) Δίδυμος Ἀπολλωνίου Ἀλλίωνι Ἀπολλωνίου συνκοινωνῶ χα (ίρειν ).
Liddell-Scott — Intermediate Greek Lexicon
συγκοινωνός συγ-κοινωνός, ή, όν "partaking jointly of" a thing, c. gen., NTest.
STEPBible — Tyndale Abridged Greek Lexicon
συν-κοινωνός (Rec. συγκ-), όν,
partaking jointly of: with genitive of thing(s), Rom.11:17, 1Co.9:23; id. with genitive of person(s), Php.1:7; before ἐν, Rev.1:9.†
(AS)