n.
the right to enter
a way of entering or leaving
he took a wrong turn on the access to the bridge.
a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something ( a telephone line or a computer or a local area network etc.)
(computer science) the operation of reading or writing stored information
the act of approaching or entering
he gained access to the building