Casual term for one's own mother, used when addressing her or referring to her within the family. Less formal than お母さん.
See also: お母さん
Mom, what's for dinner tonight?
My mom is good at cooking.
wife; the missus
Colloquial, used by a husband when speaking to or about his own wife, often with a familiar or slightly old-fashioned tone. Not used for someone else's wife.
My wife is always nagging me.
Honey, could you make some tea?
I got scolded by my mom because I didn't do my homework.
My little brother is always being clingy with mom.