柯林斯詞典meridian /m??r?d??n/ (meridians) 1. N-COUNT A meridian is an imaginary line from the North Pole to the South Pole. Meridians are drawn on maps to help you describe the position of a place. 經線 返回 meridian劍橋詞典an imaginary line between the North Pole and the South Pole , drawn on maps to help to show the position of a place 子午線,經線 The prime meridian of longitude is in Greenwich, London. 本初子午線位于倫敦南部的格林尼治。 返回 meridian