LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

synedrus

synedrus m (genitive synedrī)
Classical[ˈsy.nɛ.drʊs]Ecclesiastical[ˈsiː.ne.drus]

Meaning

  1. masculinea counsellor, senator (equivalent to a Roman senātor)
    [H]is rerum externarum cognitionibus interpositis Macedonum rursus advocatum concilium; pronuntiatum, quod ad statum Macedoniae pertinebat, senatores, quos synedros vocant, legendos esse, quorum consilio res publica administraretur.The congress of the Macedonians which had been interrupted by these proceedings was again convened. First of all the status of Macedonia was defined. Senators, who were known as “synedri,” were to be elected to form a council for the administration of government. ― translation by the Rev. Canon Roberts (1912)circa 20 BC, Titus Livius Patavinus (author), W. Weissenborn (editor), Ab Urbe Condita Libri (1881), book XLV, chapter xxxii, §§ 1–2 (pages 86–87)

Declension

declension
formsingularplural
nominativesynedrussynedrī
genitivesynedrīsynedrōrum
dativesynedrōsynedrīs
accusativesynedrumsynedrōs
ablativesynedrōsynedrīs
vocativesynedresynedrī

sўnĕdrus, i, m., = σύνεδρος,
I. a counsellor, senator, among the Macedonians (Lat. senator), Liv. 45, 32, 1.

Origins

From the Ancient Greek σῠ́νεδρος (sŭ́nedros, “one who sits with others”, “assessor”, “coadjutor”; “delegate to the assembly”), from σῠ́ν (sŭ́n, “beside”, “with”) + ἕδρᾱ (hédrā, “sitting”, “session [of a council]”).

Quick answers

What does synedrus mean in Latin?
synedrus, a noun, means “a counsellor, senator (equivalent to a Roman senātor)”.
What is the genitive of synedrus?
The genitive singular is synedrī. synedrus is masculine, second declension.
How do you pronounce synedrus?
In classical Latin, [ˈsy.nɛ.drʊs]; in ecclesiastical (church) Latin, [ˈsiː.ne.drus].