|a marriage between persons of different races or religions|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
Marriage between two people who come from different cultural, national, racial, ethnic, or religious backgrounds. Often, such marriages must withstand the scrutiny of both partners' families and social communities.