Related Clues:
- It may be French or Venetian
- Means of exit and entrance
- Moveable structure at an entrance
- One may perform or open it
- Cross it up and shut it up
- Open it and cross it up
- Perform it or close it
- Cross up the way in
- Cross through it and cross back there
- Perform or go through with it
- This all hinges on a cross back
- Shut it up or cross it up
- Cross back on the way in
- Ostiary's post
- See 21 Down