The Collaborative International Dictionary of English v.0.48:

Offprint \Off`print"\, v. t. [Off + print.]
   To reprint (as an excerpt); as, the articles of some
   magazines are offprinted from other magazines.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Offprint \Off"print`\, n.
   A reprint or excerpt.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

offprint
    n 1: a separately printed article that originally appeared in a
         larger publication [syn: offprint, reprint, separate]