Definition of Motorama in English:

Motorama

Pronunciation /ˌməʊtəˈrɑːmə/

noun

US
  • (A name applied to) an exhibition of General Motors motor vehicles; (in later use more generally) a motor show.

    Initiated and run by the General Motors Corporation, the Motorama toured across the United States between 1949 and 1960.

Origin

1940s. From motor + -rama.