Tra từ edge - Từ điển American Heritage Dictionary 4th

edge (ĕj)n.
1.
a. A thin, sharpened side, as of the blade of a cutting instrument.
b. The degree of sharpness of a cutting blade.
c. A penetrating, incisive quality: “His simplicity sets off the satire, and gives it a finer edge” (William Hazlitt).
d. A slight but noticeable sharpness or harshness:
His voice had an edge to it.
2. Keenness, as of desire or enjoyment; zest:
The brisk walk gave an edge to my appetite.
3.
a. The line of intersection of two surfaces:
the edge of a brick; the table's rounded edges.
b. A rim or brink:
the edge of a cliff.
c. The point at which something is likely to begin:
on the edge of war.
4.
a. The area or part away from the middle; an extremity:
lifted the carpet's edge.
b. A dividing line; a border:
a house on the edge of town.
See Synonyms at border.
5. A margin of superiority; an advantage:
a slight edge over the opposition.
6. A provocative or discomforting quality, as from audacity or innovativeness: “Over all, the show will have a grittier edge” (Constance C.R. White). v. edged, edg·ing, edg·esv. tr.
1.
a. To give an edge to (a blade); sharpen.
b. To tilt (a ski or both skis) in such a way that an edge or both edges bite into the snow.
2.
a. To put a border or edge on:
edged the quilt with embroidery.
b. To act as or be an edge of:
bushes that edged the garden path.
3. To advance or push slightly or gradually:
The dog edged the ball with its nose.
4. To trim or shape the edge of:
edge a lawn.v. intr.
To move gradually or hesitantly:
The child edged toward the door.Phrasal Verb:edge out
To surpass or beat by a small margin:
The runner edged her opponent out at the last moment.Idioms:on edge
Highly tense or nervous; irritable.on the edge
1. In a precarious position.
2. In a state of keen excitement, as from danger or risk: “the excitement of combat, of living on the edge” (Nelson DeMille). [Middle English egge, from Old English ecg. See ak- in Indo-European Roots.] edgeʹless adj.