Source : Webster's Revised Unabridged Dictionary (1913)

Inside \In"side`\, n.
   1. The part within; interior or internal portion; content.

            Looked he o' the inside of the paper? --Shak.

   2. pl. The inward parts; entrails; bowels; hence, that which
      is within; private thoughts and feelings.

            Here's none but friends; we may speak Our insides
            freely.                               --Massinger.

   3. An inside passenger of a coach or carriage, as
      distinguished from one upon the outside. [Colloq. Eng.]

            So down thy hill, romantic Ashbourne, glides The
            Derby dilly, carrying three insides.  --Anti-Jacobin.

   {Patent insides} or {outside}, a name give to newspaper
      sheets printed on one side with general and miscellaneous
      matter, and furnished wholesale to offices of small
      newspapers, where the blank pages are filled up with
      recent and local news.