edge

noun

1.
the boundary of a surface
border
Derived from:
edge
2.
a line determining the limits of an area
maer bound boundary
Derived from:
edge
3.
a sharp side formed by the intersection of two surfaces of an object
Derived from:
edge
4.
the attribute of urgency in tone of voice
sharpness
Derived from:
edgy
5.
a slight competitive advantage
6.
the outside limit of an object or area or surface; a place farthest away from the center of something