(not comparable) Of a blade, such as a sword or knife, sharp on both edges. / (comparable, figuratively) As dangerous for the user as the one it is used on.

(woodworking) Alternative spelling of edgebanding

(graph theory) A set of edges which touch all the vertices of a graph.

plural of straight edge

(idiomatic) To defeat in a contest or a game by a narrow margin of victory.

insane, having lost control.

The edge of any body of water, such as a lake or sea.

(electronics) The point in time when a signal's value becomes high.

(cosmetics) The part of a nail, such as a fingernail or toenail, that extends past the flesh of the finger or toe

(roofing) A metal flashing or other overhanging component with an outward projecting lower edge, intended to control the direction of dripping water and help protect underlying building components.