The Collaborative International Dictionary of English v.0.48:

Curriculum \Cur*ric"u*lum\ (k?r-r?k"?-l?m), n.; pl. E.
   Curriculums (-l?mz), L. Curricula (-l[.a]). [L. See
   Curricle.]
   [1913 Webster]
   1. A race course; a place for running.
      [1913 Webster]

   2. A course; particularly, a specified fixed course of study,
      as in a university.
      [1913 Webster]

WordNet (r) 3.0 (2006):

curriculum
    n 1: an integrated course of academic studies; "he was admitted
         to a new program at the university" [syn: course of
         study, program, programme, curriculum, syllabus]