Proper noun
Piat (plural Piats)
A surname from French.
In the opinion of Piat, however, Offenbach's Orphée is, like most of his major operettas, a bijou (jewel) that only snobs will fail to appreciate. Source: Internet
Jean-Bernard Piat: Guide du mélomane averti, Le Livre de Poche 8026, Paris 1992 Thespis opened on Boxing Day and ran for 63 performances. Source: Internet