Edge v. t. : The thin cutting side of the blade of an instrument; as, the edge of an ax, knife, sword, or scythe. Hence, figuratively, that which cuts as an edge does, or wounds deeply, etc.

Edge v. t. : Any sharp terminating border; a margin; a brink; extreme verge; as, the edge of a table, a precipice.

Edge v. t. : Sharpness; readiness of fitness to cut; keenness; intenseness of desire.

Edge v. t. : The border or part adjacent to the line of division; the beginning or early part; as, in the edge of evening.

Edge v. t. : To furnish with an edge as a tool or weapon; to sharpen.

Edge v. t. : To shape or dress the edge of, as with a tool.

Edge v. t. : To furnish with a fringe or border; as, to edge a dress; to edge a garden with box.

Edge v. t. : To make sharp or keen, figuratively; to incite; to exasperate; to goad; to urge or egg on.

Edge v. t. : To move by little and little or cautiously, as by pressing forward edgewise; as, edging their chairs forwards.

Edge v. i. : To move sideways; to move gradually; as, edge along this way.

Edge v. i. : To sail close to the wind.

Example:
How do you determine the Edge length of a unit cell?

Taxonomy
Edge, Copeland, Slam! Sports, Adam Copeland On Edge, wwe, Adam, Wrestling, Cena, 02-13, The Undertaker, Triple H, Adam Copeland, WWE Championship, canoe, Edge and Christian, World Heavyweight Championship, Plummer, Canadian Online Explorer.

Defination from the web:
Edge. Includes bio, coverage of his wrestling and acting careers, and accomplishments.