Related Clues:

• Type of security code
• Airport entryway
• One might swing
• Revolver, maybe
• Elevator entryway
• It's opened and shut
• Perhaps Jim Morrison was way out?
• Tent flap, essentially
• Place for a mat
• It may be barred or bolted
• See 1
• See 14
• See 13
• See 8
• Punish student spectators