GNU Collaborative International Dictionary of English

Found one definition

1.       
   dollhouse n.
   1. a house so small that it is likened to a child's dollhouse.  Sometimes used in reference to a small house with especially elaborate exterior decoration.
   
   [WordNet 1.5 +PJC]
   
   
   2. a small model of a house used as a toy by children, usually including miniature furniture and other objects that can be arranged inside it as the would be in a real house.
   
   [WordNet 1.5 +PJC]