The Collaborative International Dictionary of English v.0.48:

Pur'ee \Pu`r['e]e"\, n. [F.]
   A dish made by boiling any article of food to a pulp and then
   blending it or rubbing it through a sieve; as, a pur['e]e of
   fish, or of potatoes; especially, a soup the thickening of
   which is so treated.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pur'ee \Pu`r['e]e"\, v. t. [F.]
   To grind or blend into a paste with the solids finely
   divided; to make into a puree.
   [PJC]

WordNet (r) 3.0 (2006):

puree
    n 1: food prepared by cooking and straining or processed in a
         blender
    v 1: rub through a strainer or process in an electric blender;
         "puree the vegetables for the baby" [syn: puree,
         strain]