1) a band (of dancers and singers), circular dance, a dance, dancing
Part of Speech: noun masculine
Of uncertain derivation; a ring, that is, round dance ("choir"): - dancing.
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 χορός; click on the second column to search for that grammatical form of the root χορός; click on the third column to search for that word and grammatical form; click on the total to search for the root χορός.