1. A defensive wall of a castle or walled city with alternating solid sections (merlons) and open sections (crenels) that allow defenders to shoot arrows or other projectiles while remaining protected
The medieval castle's battlements were built to protect soldiers from enemy arrows.
As ameias do castelo medieval foram construídas para proteger os soldados das flechas inimigas.
2. Any structure resembling or functioning like fortification battlements, often used decoratively on modern buildings
The old church was adorned with decorative battlements along its roofline.
A antiga igreja era adornada com ameias decorativas ao longo de sua linha de telhado.