meridian
noun /məˈrɪdiən/
/məˈrɪdiən/
- one of the lines that is drawn from the North Pole to the South Pole on a map of the world
Topics Geographyc2子午线;经线 词源late Middle English: from Old French meridien, from Latin meridianum (neuter, used as a noun) ‘noon’, from medius ‘middle’ + dies ‘day’.