Related Clues:

• Battlement feature
• Military protection
• Low protective wall along edge of roof or bridge
• Embankment built for defensive purposes
• Bulwark, wall
• Low wall along the edge of a balcony
• Fortification of a low wall
• So to be on the defensive may make one a bit sheepish
• For the defence, that's enough to make one a bit sheepish
• The bit of the sheep that's defensive
• The sort of a bit of mutton that might help one if one got an attack
• Perhaps a bit sheepish to be on the defensive
• The bit of mutton that has to be tough
• One needs to be offensive to take that bit of mutton
• Just a bit sheepish for the defence