third party
noun
any party to an incident, case, quarrel, etc., who is incidentally involved.
(in a two-party system) a political party formed as a dissenting or independent group from members of one or both of the two prevailing major parties.
Origin of third party
An Americanism dating back to 1795–1805
Words nearby third party
Example sentences from the Web for third party
British Dictionary definitions for third party
third party
noun
a person who is involved by chance or only incidentally in a legal proceeding, agreement, or other transaction, esp one against whom a defendant claims indemnity
adjective
insurance
providing protection against liability caused by accidental injury or death of other persons or damage to their property
third-party insurance