Sentence:  One layman in Buddha's time decided to embrace celibacy and relinquished his <WSD>marriage</WSD> vows to his four wives. When he asked them what they wanted in terms of a settlement, one said, ... 
Meaning of the word marked with <WSD> tags:  A union of two or more people that creates a family tie and carries legal, social, and/or religious rights and responsibilities. (from 14th c.<ref name="etymonline"></ref>)