westing
/ˈwestɪŋ/noun
mass noun
1- distance travelled or measured westward, especially at sea向西行程, 西行距离, 西行航程（尤指海上航行）。
1.1
- count noun a figure or line representing westward distance on a map西行距离标志（地图上用于标明向西距离的图或线）。