Definition of grande épreuve in US English:

grande épreuve

(also grande epreuve)

noun

  • A major World Championship motor race; especially the long-established Grands Prix races which have priority in fixing the international motor racing calendar.

Origin

1940s; earliest use found in The Times. From French grande épreuve, lit. ‘great test’ from grande, feminine of grand + épreuve.

Pronunciation

grande épreuve

/ˌɡrɒnd eɪˈprəːv/