grid (n.)a pattern of regularly spaced horizontal and vertical lines;
grid (n.)a system of high tension cables by which electrical power is distributed throughout a region;
Synonyms: power system / power grid
grid (n.)a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material;
Synonyms: storage-battery grid
grid (n.)an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube;
Synonyms: control grid
grid (n.)a cooking utensil of parallel metal bars; used to grill fish or meat;