UXORICIDE
uxoricide
(noun) the murder of a wife by her husband
uxoricide
(noun) a husband who murders his wife
Source: WordNet® 3.1
Etymology
Noun
uxoricide (countable and uncountable, plural uxoricides)
One who murders his or her wife.
The murdering of one's own wife.
Antonyms
• mariticide (“murder of one's husband”)
Hypernyms
• mariticide (“murder of one's spouse”)
Source: Wiktionary
Ux*or"i*cide, n. Etym: [L. uxor wife + caedere to kill.]
1. The murder of a wife by her husband.
2. One who murders his wife.
Source: Webster’s Unabridged Dictionary 1913 Edition