Source : Webster's Revised Unabridged Dictionary (1913)

Intersperse \In`ter*sperse"\, v. t. [imp. & p. p.
   {Interspersed}; p. pr. & vb. n. {Interspersing}.] [L.
   interspersus interspersed; inter between, among + spargere to
   scatter. See {Sparse}.]
   1. To scatter or set here and there among other things; to
      insert at intervals; as, to intersperse pictures in a
      book.

            There, interspersed in lawns and op'ning glades,
            Thin trees arise that shun each other's shades.
                                                  --Pope.

   2. To diversify or adorn with things set or scattered at
      intervals; to place something at intervals in or among;
      as, to intersperse a book with pictures.

            Which space is interspersed with small islands and
            rock.                                 --Cook.

Source : WordNet®

intersperse
     v 1: place at intervals in or among; "intersperse exclamation
          marks ina the text"
     2: introduce one's writing or speech with certain expressions
        [syn: {interlard}]