the sharp, cutting part of a knife, sword or other tool or weapon
border, outline
Cases of word usage
1) a part of the edge of a circle or other curved line (arc)
2) posts with a piece across the top on the outer edge of a staircase (banister)
3) a sloping edge; to make a sloping edge on (something) (bevel)
4) without a point or sharp edge (blunt)
5) the edge; the part near the edge (border)
6) the top edge of a cup, bowl, glass etc (brim)
7) an upper edge of a steep place, a sharp slope etc (brink)
8) a kind of heavy tool with a sharp edge for chopping meat, wood etc (chopper)
9) a steep face of rock, especially at the edge of the sea (cliff)
10) a line of which no part is straight, e.g. part of the edge of a circle (curve)