machicolation

英 [məˌtʃɪkə'leɪʃən] 美 [məˌtʃɪkə'leɪʃən]

• n. 枪眼

英英释义

Noun:

1. a projecting parapet supported by corbels on a medieval castle; has openings through which stones or boiling water could be dropped on an enemy