edgeedge /edʒ/ noun 
► edge
► edge the part of an object or area that is farthest from the center, where the object or area ends: The plates have blue lines around the edges. Don’t put your glass so close to the edge of the table. They live in a little house on the edge of town.
► side the part of an object or area that is near an edge: The car was parked by the side of the road. If you don’t want to eat it, just push it to the side of your plate.
► border a narrow area that goes around the edge of something such as a picture or piece of material: The plate has a bright orange border. ➔ Border is also used to mean “the official line that separates two countries, or the area of land near this line”: The southern parts of Arizona and Texas are on the border with Mexico.
► rim the curved edge of something such as a cup or container: I Iifted the cup too quickly and tea spilled over the rim.
► margin AWL the empty space at the side of a page of writing: My teacher usually writes a lot of comments in the margins of our papers.