The Collaborative International Dictionary of English v.0.48:

Pseudocarp \Pseu"do*carp\, n. [Pseudo- + Gr. ? fruit.] (Bot.)
   That portion of an anthocarpous fruit which is not derived
   from the ovary, as the soft part of a strawberry or of a fig.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pseudocarp
    n 1: fruit containing much fleshy tissue besides that of the
         ripened ovary; as apple or strawberry [syn: accessory
         fruit, pseudocarp]