grande sonnerie
/ˌɡrɒnd ˈsɒn(ə)ri/(also grand sonnerie)
noun
A striking system in a mechanical clock or watch which permits both the hour and the quarter to be struck at each quarter hour. In early use chiefly with capital initials.
Origin
1930s; earliest use found in Yachting. From French grande sonnerie from grande, feminine of grand + sonnerie.