edge the part of something that is furthest from its centre or nearest the place where it ends: 
 He got up quickly, knocking his plate off the edge of the table.
 He got up quickly, knocking his plate off the edge of the table.  the outer edge of the villageside
 the outer edge of the villageside the part of something that is near its left or right edge: 
 On the left side of the garden there was an old stone wall.
 On the left side of the garden there was an old stone wall.  They parked by the side of the road.rim
 They parked by the side of the road.rim the edge of something circular, especially the top of a cup or glass, or the outside edge of a pair of glasses: 
 a white cup with a gold rim
 a white cup with a gold rim  She was looking at me over the rim of her spectacles.margin
 She was looking at me over the rim of her spectacles.margin the empty space at the side of a page that has writing on it: 
 My teacher had marked my essay and made some comments in the margin.
 My teacher had marked my essay and made some comments in the margin.  Leave wide margins on both sides of the page.hem
 Leave wide margins on both sides of the page.hem the edge of a piece of cloth that is turned under and stitched down, especially the lower edge of a skirt, trousers etc: 
 If you want the dress a bit shorter, I can easily turn up the hem.kerb British English
 If you want the dress a bit shorter, I can easily turn up the hem.kerb British English, 
curb American English the edge of the pavement
 (=raised path) at the side of a road: 
 A big black car was parked at the kerb.outskirts
 A big black car was parked at the kerb.outskirts the areas of a city that are furthest away from the centre: 
 The new station was built on the outskirts of the city.perimeter
 The new station was built on the outskirts of the city.perimeter the outside edge around an enclosed area of land such as a military camp or a prison: 
 Security guards patrol the perimeter night and day.
 Security guards patrol the perimeter night and day. [TahlilGaran] English Thesaurus ▲