futtock plate

futtock-plate的词性：
n.Nautical （名词）【航海】

1. An iron plate attached horizontally to the top of the lower mast to secure the topmast rigging and the upper ends of the futtock shrouds.
内龙骨翼板：一种用于保护中桅索具和桅楼侧支索的最上端部分而水平地安装在低桅顶端的铁板