What is the meaning of Arr?

Abbreviation of arrival.

Abbreviation of arrondissement.

Yes.

Used stereotypically in imitation of pirates.

To say “arr” like a pirate.

Alternative form of ar; the name of the Latin-script letter R/r.

Abbreviation of arrondissement.

a scar

a scar

Alternative form of arte (chicken).

to return, to restore

to put back

to give back

to reply

to soothe, quench

to vomit

to turn into, to become, to transform

to close

to plant, to replant

musical arrangement

Source: wiktionary.org