ˈgrad.ə̇ˌkyül noun
( -s )
Etymology: French, from Latin craticula fine latticework, diminutive of cratis latticework, hurdle — more at hurdle
1. : a design or draft prepared by graticulation
2.
a. : a scale on glass or other transparent material in the focal plane of a telescope or other optical instrument for the location and measurement of objects
b. : the network of lines of latitude and longitude upon which a map is drawn