3. (noun)access, approach a way of entering or leaving "he took a wrong turn on the access to the bridge"
4. (noun)access, access code 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 telephoneline or a computer or a localareanetwork etc.)
8. (verb)access, get at reach or gainaccess to "How does one access the attic in this house?"; "I cannot get to the T.V. antenna, even if I climb on the roof"