The Collaborative International Dictionary of English v.0.48:

Matriculate \Ma*tric"u*late\, v. t. [imp. & p. p.
   Matriculated; p. pr. & vb. n. Matriculating.] [L.
   matricula a public roll or register, dim. of matrix a mother,
   in respect to propagation, also, a public register. See
   Matrix.]
   To enroll; to enter in a register; specifically, to enter or
   admit to membership in a body or society, particularly in a
   college or university, by enrolling the name in a register.
   [1913 Webster]

         In discovering and matriculating the arms of
         commissaries from North America.         --Sir W.
                                                  Scott.
   [1913 Webster]