edgˈing noun

1. Any border eg round a garment, flower-bed, etc
2. (a strip of) material, eg lace, for using as a trimming around the edge
3. The act of making an edge

Used for making an edge

edgˈy adjective

1. With edges
2. Sharp or hard in outline
3. Irritable, on edge
4. Emotionally intense

edge coal noun

A steeply dipping coal seam

edge effect noun (image technol) see border effect under border

edge rail noun

A rail of a form in which the carriage-wheels roll on its edges, being held there by flanges

edge tool or edged tool noun

A tool with a sharp edge

edge in a word or get a word in edgeways

To get a word in with difficulty

edge out

1. To remove or get rid of gradually
2. To defeat by a small margin

go or be over the edge (informal)

1. To go or have gone beyond what can be endured
2. To have or have had a nervous breakdown

have the or an edge on, over or against

1. To have the advantage, or an advantage, over
2. To be better than

inside or outside edge

1. A skating movement on the inner or outer edge of the skate
2. A deflection from the inner or outer extremity of the bat (cricket)

on edge

1. In a state of expectant irritability
2. Nervous or tense with anticipation

on the edge of one's seat

In a state of eager anticipation

play with edge tools

To deal carelessly with dangerous matters

set on edge

To excite

set someone's teeth on edge

1. To set up a disagreeable sensation in the teeth and mouth, as sour fruit does
2. To cause to wince, irritate acutely
3. Formerly, to make eager or stimulate desire

take the edge off

1. To make less unpleasant or difficult
2. To weaken or diminish