経けい緯い線せん網もう

noun

graticule; grid of meridians and parallels

Technical term in cartography and geography for the network of latitude and longitude lines on a map or globe.

• 地ち図ず上じょうの経けい緯い線せん網もうは、位い置ちを正せい確かくに示しめすために使つかわれる。

  The graticule on a map is used to indicate positions accurately.