Related Clues:

• A way in
• Fence crossover
• Fence feature, perhaps
• Subway-entrance barrier
• Returns
• Key site
• Sweepstakes mail-in
• Vestibule, for one
• Commercial documents
• Fence-crossing aid
• Turn ender
• Income from an auction
• Dairy unit
• Entrance device
• It goes around at an amusement park