grid

noun

• 1a framework of spaced bars that are parallel to or cross each other; a grating: the metal grids had been pulled across the foyer

• 2a network of lines that cross each other to form a series of squares or rectangles:a grid of tree-lined streets
• a grid of regular squares on a map that are marked with numbers or letters to enable a place to be precisely located.
• a pattern of lines marking the starting places on a motor-racing track:the 20-year-old didn’t get the best of starts off the grid
• a field for American football; a gridiron.

• 3a network of cables or pipes for distributing power, especially high-voltage transmission lines for electricity:the reactor was connected to the grid in 1985
• Computing a number of computers linked together via the Internet so that their combined power may be harnessed to work on difficult problems.

• 4 Electronics an electrode placed between the cathode and anode of a thermionic valve or cathode ray tube, serving to control or modulate the flow of electrons.

verb

• put into or set out as a grid:a core of gridded streets