A person who or thing which secures someone or something, in various senses of the verb.
Early 17th century; earliest use found in John Cowell (1554–1611), civil lawyer. From secure + -er.
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。