'Uxoricide' means _____.

Some One Word Substitution:
Infanticide - infant+cide means to kill a child.
Matricide - Matri means mother, so matricide means A person who murders their mother.
Fratricide - frat means brother, so fratricide means A person who murders their brother.
Patricide - Patri means father, so patricide means A person who murders their father.
Uxoricide - An uxor means wife, so uxoricide means A husband who murders his wife.