n. a pattern of regularly spaced horizontal and vertical lines
n. a system of high tension cables by which electrical power is distributed throughout a region
n. a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
n. 格子( grid的复数形式 ); 地图上的坐标方格; （输电线路、天然气管道等的）系统网络; （汽车比赛）赛车起跑线