var·i·o·rum 
(vâr′ē-ôrəm, văr′-)
(vâr′ē-ôrəm, văr′-)n.
1. An edition of the works of an author with notes by various scholars or editors.
2. An edition containing various versions of a text.
adj.
Of or relating to a variorum edition or text.
[From Latin (ēditiō cum notīs) variōrum, (edition with the notes) of various persons, genitive pl. of varius, various.]