personal identification number

2 definitions found

personal identification number - WordNet (r) 2.1 (2005) :

  personal identification number
      n 1: a number you choose and use to gain access to various
           accounts [syn: personal identification number, PIN,
           PIN number]

personal identification number - Free On-line Dictionary of Computing (26 May 2007) :

  Personal Identification Number
  PIN
  
     <security> (PIN, "PIN number") A password, typically four
     digits entered through a telephone keypad or automatic teller
     machine.
  
     (1996-11-03)