edge

Definitions
Examples

(noun): The boundary line of a surface.
(noun): A one-dimensional face of a polytope. In particular, the joining line between two vertices of a polygon; the place where two faces of a polyhedron meet.
(noun): An advantage.
(noun): The thin cutting side of the blade of an instrument, such as an ax, knife, sword, or scythe; that which cuts as an edge does, or wounds deeply, etc.
(noun): A sharp terminating border; a margin; a brink; an extreme verge.
(noun): Sharpness; readiness or fitness to cut; keenness; intenseness of desire.
(noun): The border or part adjacent to the line of division; the beginning or early part (of a period of time)
(noun): A shot where the ball comes off the edge of the bat, often unintentionally.
(noun): A connected pair of vertices in a graph.
(noun): In male masturbation, a level of sexual arousal that is maintained just short of reaching the point of inevitability, or climax; see also edging.
(verb): To move an object slowly and carefully in a particular direction.
(verb): To move slowly and carefully in a particular direction.
(verb): (usually in the form 'just edge') To win by a small margin.
(verb): To hit the ball with an edge of the bat, causing a fine deflection.
(verb): To trim the margin of a lawn where the grass meets the sidewalk, usually with an electric or gas-powered lawn edger.
(verb): To furnish with an edge; to construct an edging.
(verb): To furnish with an edge, as a tool or weapon; to sharpen.
(verb): To make sharp or keen; to incite; to exasperate; to goad; to urge or egg on.
(verb): To delay one's orgasm so as to remain almost at the point of orgasm.

I have the edge on him.
He is standing on the edge of a precipice.
in the edge of evening
He edged the book across the table.
He edged away from her.