A platform enclosing the head of each mast of a sailing ship, to which the topmast rigging is attached.
A platform enclosing the head of each mast of a sailing ship, to which the topmast rigging is attached.
桅楼，桅盘帆船上包围着所有帆头的平台，顶桅索具就加结于其上
A platform enclosing the head of each mast of a sailing ship, to which the topmast rigging is attached.
桅楼，桅盘帆船上包围着所有帆头的平台，顶桅索具就加结于其上