The coughing up or spitting out of blood; an instance of this.
Mid 16th century; earliest use found in John Maplet (d. 1592), writer on natural philosophy.
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。