grid 
/ˈgrɪd/ noun
plural grids /ˈgrɪd/ noun [count] 1 : a metal frame with bars running across it that is used to cover an opening 2 : a pattern of lines that cross each other to form squares on a piece of paper, a map, etc.
▪ The students plotted points on a grid. ▪ The city streets form a grid. 3 : a network of electrical wires and equipment that supplies electricity to a large area
▪ The students plotted points on a grid. ▪ The city streets form a grid.
