What's the noun for gridlers? Here's the word you're looking for.
grid
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.
(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.
(game) A puzzle in which cells of a grid must be filled or left blank, according to sets of numbers given at the side of the grid, to reveal a hidden picture.
