A stone that marks the centre of the world or of a geographical area; also in extended use.
Mid 19th century; earliest use found in John Blackie (1809–1895), classical and Scottish Gaelic scholar.
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。