1Zoology a plate adjacent to or covering the eye, as a scale of a reptile or a sclerite of an arthropod (now rare).
2Chiefly Nautical a small metal plate with a hole through it or (more often) a loop protruding from its surface.
Early 19th 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。