an endorsement made by an authorized representative of one country upon a passport issued by another, permitting the passport holder entry into or transit through the country making the endorsement.

to give a visa to; approve a visa for.

to put a visa on (a passport).

an endorsement in a passport or similar document, signifying that the document is in order and permitting its bearer to travel into or through the country of the government issuing it

any sign or signature of approval