Noun
a passenger car for day travel; you pay extra fare for individual chairs
Source: WordNetAll parlor car (no coaches) from 1932 to 1937. Source: Internet
Few of them lasted past World War II, but some names were revived during the 1950s and 1960s as the railroad expanded its east end parlor car service with luxury coaches and Pullman cars from railroads that were discontinuing their passenger trains. Source: Internet