a metal frame with bars across it ➔ cattle grid
a pattern of straight lines that cross each other and form squares:
Its streets were laid out in a grid pattern.
a set of numbered lines printed on a map so that the exact position of any place can be referred to:
The pilots were just given a grid reference (=number referring to a point on a map) of the target.
the network of electricity supply wires that connects power stations and provides electricity to buildings in an area:
the national grid (=the electricity supply in a country)
5DSO also starting grid
a set of starting positions for all the cars in a motor race