a make of very high-quality, luxurious, and prestigious British car. The Rolls-Royce company is no longer British-owned
2.
anything considered to be the very best of its kind
Word origin
named after its designers, Charles Stewart Rolls (1877–1910), English pioneer motorist and aviator, and Sir (Frederick) Henry Royce (1863–1933), English engineer, who founded the Rolls-Royce Company (1906)
Rolls Royce in American English
(ˌroʊlzˈrɔɪs)
Informal
something that is the most luxurious or the highest quality of its kind
Word origin
< Rolls-Royce, a trademark for a luxury automobile