Grid \grid\, n.

1. A system of high tension cables by which electrical power is distributed throughout a region [syn: power system, power grid]
2. A network of horizontal and vertical lines that provide coordinates for locating points on an image [syn: reference grid]
3. An electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube [syn: control grid]
4. A utensil of parallel metal bars; used to grill fish or meat [syn: gridiron]
5. A grating of thin parallel bars, similar to a gridiron
6. (Elec.) A plate or sheet of lead with perforations, or other irregularities of surface, by which the active material of a secondary battery or accumulator is supported