Definition of notariate in US English:
notariate
noun
The body of people practising the profession of notary; notaries collectively.
Origin
Late 19th century. From notary + -ate. Compare post-classical Latin notariatus, French notariat office of notary, Spanish notariado, Portuguese notariado.
Pronunciation
notariate
/nəʊˈtɛːrɪət/