Find the word definition

The Collaborative International Dictionary
Unigeniture

Unigeniture \U`ni*gen"i*ture\, n. [L. unigenitus only-begotten; unus one + gignere, genitum, to beget.] The state of being the only begotten. [R.]
--Bp. Pearson.

Wiktionary
unigeniture

n. (cx theology English) The state of being the only begotten.