noun
also si·gnior (ˈ)sēn|yȯ(ə)r, -yō(-
( plural signors -rz ; or signo·ri ̷ ̷ˈyōr(ˌ)ē, -ȯ(ˌ)rē)
Etymology: Italian signor (when followed by a name), signore, from Medieval Latin senior superior, magnate, lord, from Latin, adjective, elder — more at senior
1. : a usually Italian man of rank or gentility
2. : mister — used as a title of courtesy prefixed to the name of an Italian man