grid

(noun) a pattern of regularly spaced horizontal and vertical lines.

(noun) a system of high tension cables by which electrical power is distributed throughout a region. Synonyms: power system, power grid.

(noun) a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material. Synonyms: storage-battery grid.

(noun) an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube. Synonyms: control grid.

(noun) a cooking utensil of parallel metal bars; used to grill fish or meat. Synonyms: gridiron.