Meaning of GRID in English
grid /ɡrɪd/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: gridiron ]
1 . a metal frame with bars across it ⇨ ↑ cattle grid
2 . a pattern of straight lines that cross each other and form squares:
Its streets were laid out in a grid pattern.
3 . 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.
4 . the network of electricity supply wires that connects ↑ power station s and provides electricity to buildings in an area:
the national grid (=the electricity supply in a country)
5 . ( also starting grid ) a set of starting positions for all the cars in a motor race
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012