improvisatore

noun

im·​pro·​vi·​sa·​to·​re (ˌ)im-ˌprä-və-zə-ˈtȯr-ē 

ˌim-prə-ˌvē-zə-

plural improvisatori (ˌ)im-ˌprä-və-zə-ˈtȯr-ē 

ˌim-prə-ˌvē-zə-

or improvisatores

: one that improvises something (such as verse) usually extemporaneously

Word History

Etymology

Italian improvvisatore, from improvvisare

First Known Use

1765, in the meaning defined above