graticule

noun

grat·​i·​cule ˈgra-tə-ˌkyül 

1

: reticle

2

: the network of lines of latitude and longitude upon which a map is drawn

Word History

Etymology

French, from Latin craticula fine latticework, diminutive of cratis wickerwork, hurdle

First Known Use

1914, in the meaning defined at sense 1