Related Clues:
- Zoo protection
- Bob who directed ''Cabaret''
- Defensive excavation
- Defense against a siege
- Fortress barrier
- Zoo channel
- Ring around a castle
- Catcher Ray of the Pete Rose collision
- 'Pippin' Tony winner
- Water defence
- Part of a castle's defense
- 'Chicago' director/ choreographer
- Bob who directed 'Cabaret'
- Castle barrier
- 'Damn Yankees' choreographer