grid

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

(computing) 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).

(cartography) A method of marking off maps into areas.

(motor racing) The pattern of starting positions of the drivers for a race.

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

(electricity) 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.

(theater, television) An openwork ceiling above the stage or studio, used for affixing lights etc.