- power system, power grid, grid - a system of high tension cables by which electrical power is distributed throughout a region
--1 is a kind of facility, installation
--1 is a part of infrastructure, base
--1 has parts:electric main; power line, power cable; power station, power plant, powerhouse - grid, reference grid - a network of horizontal and vertical lines that provide coordinates for locating points on an image
--2 is a kind of network
- grid, control grid - an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
--3 is a kind of electrode
--3 is a part oftube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve - grid, gridiron - a cooking utensil of parallel metal bars; used to grill fish or meat
--4 is a kind of cooking utensil, cookware