herr
n. countable C2 Proficiency US //ˈhɛɹ// herr
n. a German word for 'Mr.' or 'Sir'. You use it when speaking to or about a German man in a polite or formal way.
n. a German title of respect equivalent to 'Mr.' or 'Sir'. Used as a prefix before a surname or as a formal address for a man.
The waiter addressed the guest as Herr Schmidt.
During the formal introduction, the host introduced the visiting professor as Herr Professor Müller.
As a title and German and Jewish surname (also found in Hungary and France), from the noun Herr (“gentleman, sir”).
As a Hmongic surname, variant of Her, named after the Her clan, written in Chinese as 侯 (compare Hou).
Usage
Used as a title before a surname; when used in English, it typically retains its German capitalization.