Search Result for "great-niece": 
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:

great-niece \great-niece\ n. a daughter of one's niece or nephew. Syn: grandniece. [WordNet 1.5]
WordNet (r) 3.0 (2006):

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