Military Fortifications

noun a low protective wall or railing along the edge of a roof, bridge, or balcony

• The soldiers stood behind the parapet, ready to defend the castle.
• I leaned against the parapet to get a better view of the city.
• Let's hang out by the parapet and watch the sunset.
• She built an emotional parapet to protect herself from getting hurt again.

verb to fortify or protect with an abatis, which is a defensive obstacle formed by felled trees with sharpened branches facing the enemy

• The fort was abatised with sharp stakes to deter any potential intruders.
• The property was abatised to keep out unwanted visitors.
• We abatised the area to make sure no one could sneak in.
• She abatised her emotions, keeping them hidden from others.