A grid is a network of intersecting parallel lines, whether real or imaginary. Most American streets are laid out in a grid pattern, meaning the streets intersect at right angles and form a pattern of squares when viewed from above.

You've probably seen a map grid, the uniform lines drawn on a map that allow you to pinpoint a particular location. Grid can also refer to a physical network of sorts, not necessarily made of straight or parallel lines. You may be familiar with the high voltage electrical cables that carry power throughout the country, known as the national grid. A grid can also be a device made up of intersecting metal bars that you use when grilling food.

Definitions of grid
  1. noun
    a pattern of regularly spaced horizontal and vertical lines
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    reference grid
    a pattern of horizontal and vertical lines that provide coordinates for locating points on an image or a map
    Amsler grid
    a pattern of small boxes that is used for self-monitoring by patients who have age-related macular degeneration
    type of:
    form, pattern, shape
    a perceptual structure
  2. noun
    a cooking utensil of parallel metal bars; used to grill fish or meat
    synonyms: gridiron
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    type of:
    cooking utensil, cookware
    a kitchen utensil made of material that does not melt easily; used for cooking
  3. noun
    a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
    synonyms: storage-battery grid
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    type of:
    a sheet of metal or wood or glass or plastic
  4. noun
    an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
    synonyms: control grid
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    type of:
    a conductor used to make electrical contact with some part of a circuit
  5. noun
    a system of high tension cables by which electrical power is distributed throughout a region
    synonyms: power grid, power system
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    type of:
    facility, installation
    a building or place that provides a particular service or is used for a particular industry
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