GNU Collaborative International Dictionary of English

Found one definition 

  1.       

    pabulum , n. [L., akin to pascere to pasture. See Pastor.]
    1.  The means of nutriment to animals or plants; food; nourishment. [wns=1]
      Syn. -- comestible, edible, eatable, victual, victuals.
      1913 Webster
       + 
      WordNet 1.5
    2. Hence: That which feeds or sustains, such as fuel for a fire; especially, that upon which the mind or soul is nourished; intellectual sustenance; as, intellectual pabulum. [wns=2]
      Syn. -- food for thought, intellectual nourishment.
      1913 Webster
       + 
      WordNet 1.5
    3. Trite or simplistic writing, sentiments, etc.; pablum{3}.
      PJC