1A person responsible for safety, especially in a place of work; (Mining) a person who guards a temporarily disused mineshaft until work is resumed.
2Amer. Football. = "safety".
Late 19th century. From safety + man.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。