Source : Webster's Revised Unabridged Dictionary (1913)

Offprint \Off`print"\, v. t. [Off + print.]
   To reprint (as an excerpt); as, the articles of some
   magazines are offprinted from other magazines.

Offprint \Off"print`\, n.
   A reprint or excerpt.

Source : WordNet®

offprint
     n : a separately printed article that originally appeared in a
         larger publication [syn: {reprint}, {separate}]