Definition of: grid

(grid) noun
1. A grating of parallel bars.
2. A gridiron.
3. Electr. A metallic framework employed in a storage cell or battery for conducting the electric current and supporting the active material.
4. Electronics An electrode mounted between the cathode and anode of a vacuum tube for the control of electrons: usually in the form of a screen.
5. A system of coordinate lines superimposed upon a map and used as a basis for reference from a designated point.
6. A network of catwalks suspended from the ceiling of a motion-picture studio or other enclosure.
7. Brit. A network of high-tension lines for distributing electric power throughout a large area. [Short for GRIDIRON]