1. The number on the licence plate that identifies the car that bears it
   - license number [N. Amer], registration number, reg [Brit]

Type of: identification number, number

• organised
• organised crime
• organised labour
• organised religion
• organiser
• organism
• organismal
• organismic
• organist
• organizable
• organization
• organization chart
• organization expense
• Organization for the Prohibition of Chemical Weapons
• organization man
• Organization of American States
• Organization of Petroleum-Exporting Countries
• Organization of the Oppressed on Earth
• organizational
• organizational chart
• organizationally
• organize
• organized
• organized crime
• organized labor