1》 a framework of spaced bars that are parallel to or cross each other.
2》 a network of lines that cross each other to form a series of squares or rectangles.
↘a numbered ~ on a map that enables a place to be precisely located.
3》 a network of cables or pipes for distributing power, especially high-voltage electricity.
↘a number of computers linked together via the Internet so that their combined power may be harnessed.
4》 a pattern of lines marking the starting places on a motor-racing track.
5》 Electronics an electrode placed between the cathode and anode of a thermionic valve or cathode ray tube, serving to control or modulate the flow of electrons.
■ verb [usu. as adjective ~ded ] put into or set out as a ~.
C19: back-form. from ~iron .