The New Dictionary of Cultural Literacy, Third Edition. 2002.
quarantine
(KWAWR-uhn-teen, KWAHR-uhn-teen) The isolation of people who either have a contagious disease or have been exposed to one, in an attempt to prevent the spread of the disease.
The term is sometimes used politically to designate the political and economic isolation of a nation in retribution for unacceptable policies: When Iraq invaded Kuwait, it was placed in quarantine by the nations of the world.