battlement

/ˈbætəlmənt/
noun
  1. A low wall at the top of a castle or fort, with openings for shooting arrows or guns.
    • The castle's battlement was rebuilt to match its original medieval design.
    • Tourists walked along the battlement and admired the view of the countryside.
    • The knight stood on the battlement, watching for approaching enemies.
Synonyms
What does "battlement" mean? | whatsthatwordmean | whatsthatwordmean