Definition of: edge

(ej) noun
1. The thin, sharp cutting part of a blade.
2. Sharpness; acuteness.
3. An abrupt border or margin; verge, brink; rim: the edge of a cliff.
4. A bounding or dividing line: the edge of a plain. See synonyms under BANK¹, BOUNDARY, MARGIN.
—on edge
1. Nervous; irritable.
2. Keenly eager.
—v. edged, edg·ing v.t.
1. To put a cutting edge on; sharpen.
2. To put an edging or border on.
3. To move cautiously sidewise: to edge one's way through a mob.
4. To move by degrees; inch: to edge one's chair closer.
5. U.S. Colloq. To defeat by a slight margin: The home team just edged the visitors.
—v.i.
6. To move sidewise.
7. To move by degrees: to edge away. [OE ecg]
—edged adjective
—edge′·less adjective