noun🔗Share齿槽，垛口。 A pattern along the top of a parapet (fortified wall), most often in the form of multiple, regular, rectangular spaces in the top of the wall, through which arrows or other weaponry may be shot, especially as used in medieval European architecture."The castle's tall walls were topped with crenellations, allowing the archers to defend it effectively. "城堡高耸的墙壁顶端有齿槽（垛口），方便弓箭手有效地进行防御。architecturemilitarybuildingwarhistoryChat with AIVocabulary GamePractice Reading
noun🔗Share垛口，雉堞 The act of crenellating; adding a top row that looks like the top of a medieval castle."The architect designed the building with decorative crenellations along the roofline, giving it a medieval appearance. "建筑师在屋顶沿线设计了装饰性的垛口，使这座建筑具有中世纪风格。architecturebuildingChat with AIVocabulary GamePractice Reading
