1The principal piece of a ship's head.
2The principal piece of timber in a rudder.
3The principal horizontal beam of a windlass.
Mid 19th century; earliest use found in James Greenwood.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。