Quick Definition
συναθροίζω v. I gather together, assemble
Strong's Definition
from 4862 and athroizo (to hoard); to convene
KJV Usage: call (gather) together
UBS Dictionary of the Greek New Testament
verb | ἐπαθροίζομαι · συναθροίζω
15.129 · (ἀθροίζομαι) · Linear Movement · Gather, Cause To Come Together
to gather together, to come together to assemble together, with the possible implication of compactness or solidarity
verb | ἀθροίζω
15.131 · Linear Movement · Gather, Cause To Come Together
to cause to come together, to gather together, to call together to cause to gather together (compare συναθροίζομαι, 15.130)
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
συν-αθροίζω : 1 aor. ptep. συναθροίσας ; pf. pass. ptep. συνηθροισμένος; fr.[Eur., Arstph., al.}, Isocr. down; Sept. chiefly for Υ3Ρ and 323 4 gather together with others; to assemble: τινάς, Acts xix. 25; pass. to be gathered together i. 6. come together, Lk. xxiv. 33 RG; Acts xii. 12.
Mounce Concise Greek Dictionary
συναθροίζω synathroizō 2x
to gather; to bring together, Acts 19:25; pass. to come together, convene, Acts 12:12*
Abbott-Smith Greek Lexicon
συν-αθροίζω
[in LXX chiefly for קבץ ;]
to gather together, assemble: c. acc. pers., Ac 19:25; pass., Ac 12:12.†
Moulton & Milligan — Vocabulary of the Greek NT
συναθροίζω, “‘oather together, assemble.” This verb, which is confined to Ac 121", τοῦδ, in the NT, occurs in a military report P Oxy X. 12535 (iv/A.D.) συνηθρυκέναι τούς τε τὰ κοινὰ διοικοῦνϊ ταςἿ πρώτους [μ]ετὰ ot τιμήν, ‘“‘have assembled the public magistrates next to yourself in rank” (Edd. ).
Liddell-Scott-Jones — Greek-English Lexicon
συναθροίζω (sunathroizō) — to assemble. συναθρ-οίζω, perfect -ήθροικα (-υκα Papyrus) [Refs 4th c.AD+]:— gather together, assemble, especially of soldiers, [Refs 5th c.BC+]:—passive, [NT+5th c.BC+]
2. of things, gather into one mass, τὸ κάταγμα εἰς ἕν [Refs 5th c.BC+]; τὸ σῶμα σ. bring the body together, [Refs 5th c.BC+]:—passive, ἐὰν εἰς μίαν.. πόλιν.. συναθροισθῇ τὰ.. Χρήματα [Refs]; τούτων συνηθροισμένων to sum up, therefore,[Refs 4th c.BC+]
3. of a single person, οὐ συνήθροισται στρατῷ has not joined the main army, [Refs 5th c.BC+]