0 an official mark, usually made in a passport, that allows you to enter or leave a particular country:
1 an official document or mark made in a passport that allows you to enter or leave a particular country:
2 an official mark made in a passport (= official document allowing you to travel to foreign countries) which allows you to enter or leave a particular country, stay for a particular length of time, etc.:
My visa still hasn't come through.
I need to extend my visa .
You must have a guarantor in order to get a visa to enter the country.
Gaining a permanent residence permit is difficult and most retirees have only renewable annual visas.
Fearing they will never have another chance to visit, some overstay these visas, become ' illegal ' and risk expulsion.
The current visa policy impedes temporary visits and leads to over-stays, which, in turn, cause visas to be more restricted.