A system for delivery of electricity, consisting of various substations, transformers and generators, connected by wire.
The third (or higher) electrode of a vacuum tube (triode or higher).
The pattern of starting positions of the drivers for a race.
An openwork ceiling above the stage or studio, used for affixing lights etc.
A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.
A tiling of the plane with regular polygons; a honeycomb.
A battery-plate somewhat like a grating, especially a zinc plate in a primary battery, or a lead plate in a secondary or storage battery.
A system or structure of distributed computers working mostly on a peer-to-peer basis, used mainly to solve single and complex scientific or technical problems or to process data at high speeds (as in clusters).
A method of marking off maps into areas.
A grating of parallel bars; a gridiron.
To mark with a grid.
To assign a reference grid to.
That part of a piece of electronic apparatus that provides appropriate voltages for the rest of the electronics from the connected AC source.
A source of power such as the mains or a generator.
Used other than figuratively or idiomatically: see power, supply.