Search Result for "grandniece": 
Wordnet 3.0

NOUN (1)

1. a daughter of your niece or nephew;
[syn: great-niece, grandniece]



The Collaborative International Dictionary of English v.0.48:

Grandniece \Grand"niece"\, n.
   The granddaughter of one's brother or sister. Grandpa


WordNet (r) 3.0 (2006):

grandniece
    n 1: a daughter of your niece or nephew [syn: great-niece,
         grandniece]