What is the meaning of Err?

To make a mistake.

To sin.

to stray.

Elongated form of er (sound of hesitation).

dark, darkness

The name of the Latin-script letter R/r.

The name of the Latin-script letter R/r.

The name of the Latin-script letter R/r.

The name of the Latin-script letter R/r.

The name of the Latin-script letter R/r.

Source: wiktionary.org