1A mask or protective covering for the face, as the visor or face glass of a helmet, the mask of a respirator, etc.
2A decorative attachment to a horse's bridle.
Late 18th century.
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。