easting
/ˈiːstɪŋ/noun
mass noun
1- distance travelled or measured eastward, especially at sea东距; （尤指海上的）东向行程; 东行航程。
1.1
- count noun a figure or line representing eastward distance on a map (expressed by convention as the first part of a grid reference, before northing)（地图上的）东向纬度差。