–noun, plural Grand Prix, Grands Prix, Grand Prixes /all pronouncedFr.grɑ̃ ˈpriz/Show Spelled Pronunciation[all pronouncedFr.grahnpreez]Show IPA.
(sometimes lowercase) any of various major automobile races over a long, arduous course, esp. an international car race held each year over the same course.
[Fr. grahn pree] 
) any of various major automobile races over a long, arduous course, esp. an international car race held each year over the same course.