Hymenaeus = "belonging to marriage"
1) a heretic, one of the opponents of the apostle Paul
Part of Speech: noun proper masculine
From Ὑμήν Humên (the god of weddings); "hymenaeal"; Hymenaeus, an opponent of Christianity: - Hymenus.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root Ὑμέναιος; click on the second column to search for that grammatical form of the root Ὑμέναιος; click on the third column to search for that word and grammatical form; click on the total to search for the root Ὑμέναιος.