objet trouvé
Concise Oxford English Dictionary © 2008 Oxford University Press:
objet trouvé /ˌɒbʒeɪ ˈtruːveɪ/
▶noun (pl. objets trouvés pronunc. same) an object found by an artist and displayed with no, or minimal, alteration as a work of art.
– origin Fr., lit. ‘found object’.
'objet trouvé' also found in these Oxford entries:

