English niece nounMeaning 1A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law.in other languages:Czech neteř (meaning 1)more translationsČZJmeaning 1meaning 1meaning 1meaning 1meaning 1more translationsGerman Nichte (meaning 1)more translationsÖGSmeaning 1more translationsSPJmeaning 1more translations