What is the meaning of Erra?

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

error

inflection of errar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

third-person singular past historic of errer

inflection of errare:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

second-person singular present active imperative of errō

inflection of errar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

inflection of errar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

Source: wiktionary.org