concours d'elegance
noun
con·cours d'e·le·gance (ˌ)kōⁿ-ˌku̇r-ˌdā-lā-ˈgäⁿs 
plural concours d'elegance
(ˌ)kōⁿ-ˌku̇r-ˌdā-lā-ˈgäⁿs,
or -ˌku̇rz-ˌdā-
: a show or contest of vehicles and accessories in which the entries are judged chiefly on excellence of appearance and turnout
Word History
Etymology
French concours d'élégance, literally, competition of elegance
First Known Use
1950, in the meaning defined above