Meaning

• A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.

• A system for delivery of electricity, consisting of various substations, transformers and generators, connected by wire.

• 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.

• The pattern of starting positions of the drivers for a race.

• The third (or higher) electrode of a vacuum tube (triode or higher).

• 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 grating of parallel bars; a gridiron.

Meaning

• To mark with a grid.

• To assign a reference grid to.