n.
1.a system of high tension cables by which electrical power is distributed throughout a region
2.a network of horizontal and vertical lines that provide coordinates for locating points on an image
3.an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
4.a cooking utensil of parallel metal bars
Idiom of the Day
scratch (someone's) back
to do something for someone in the hope that they will do something for you
"You scratch my back and I`ll scratch yours," the customer said when we talked about the new sales contract.
