(born 1936), US politician; full name John Sidney McCain III. A US senator from Arizona since 1987, he ran as the Republican presidential candidate in 2008.
Definition of McCain, John in US English:
McCain, John
proper nounməˈkān
(born 1936), US politician; full name John Sidney McCain III. A US senator from Arizona since 1987, he ran as the Republican presidential candidate in 2008.