Definify.com
Webster 1913 Edition
Niece
Niece
(nēs)
, Noun.
1.
A relative, in general; especially, a descendant, whether male or female; a granddaughter or a grandson.
[Obs.]
B. Jonson. Wyclif. Shak.
2.
Especially:
A daughter of one’s brother or sister, or of one's brother-in-law or sister-in-law. In modern English, this is the primary meaning.
Webster 1828 Edition
Niece
NIECE
,Noun.