Definition of "grid" in English

noun

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

2. A tiling of the plane with regular polygons; a honeycomb.

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

   • You can't turn off the building from here; you have to shut down the whole grid.

4. (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).

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

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

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

8. (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.

9. A grating of parallel bars; a gridiron.

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

verb

1. To mark with a grid.

2. To assign a reference grid to.

3. (education) To enter in a grid.

   • On the SAT, to answer a grid-in question, you grid in your answer by filling out the ovals.