The Collaborative International Dictionary of English v.0.48:

Scholion \Scho"li*on\, n. [NL.]
   A scholium.
   [1913 Webster]

         A judgment which follows immediately from another is
         sometimes called a corollary, or consectary . . . One
         which illustrates the science where it appears, but is
         not an integral part of it, is a scholion. --Abp.
                                                  Thomson (Laws
                                                  of Thought).
   [1913 Webster]