1) the chamber containing the bridal bed, the bridal chamber
1a) of the friends of the bridegroom whose duty it was to provide and care for whatever pertained to the bridal chamber, i.e. whatever was needed for the due celebration of the nuptials
1b) the room in which the marriage ceremonies are held
Part of Speech: noun masculine
From G3565; the bridal room: - bridechamber.
|(υἱοὶ τοῦ νυμφῶνος) wedding guests||11.7|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
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 νυμφών; click on the second column to search for that grammatical form of the root νυμφών; click on the third column to search for that word and grammatical form; click on the total to search for the root νυμφών.