a network of lines, esp. two series of regularly spaced lines crossing one another at right angles; spec. one provided on a map as a means of specifying the location of places and objects, a rectangular mesh on a plane formed by two sets of lines orthogonal to each other, each line of each set being at a constant interval from the adjacent lines, võrgustiku jooned moodustavad ruudud - jooned ristuvad ja on võrdsete vahemaade järel (nt kilomeetrivõrgustik)