Plural of easting; multiple eastward movements or measurements in navigation, surveying, or map-making.
From 'easting' plus plural '-s'. Technical term used in cartography and navigation since the 16th century.
On maps and in surveying, 'eastings' and 'northings' are the basic grid coordinates—this terminology became so standard that it's literally embedded in GPS systems and coordinate databases worldwide.
Complete word intelligence in one call. Free tier — 50 lookups/day.