Edge \Edge\, v. i.

1. To move sideways; to move gradually; as, edge along this way.

2. To sail close to the wind.

I must edge up on a point of wind. --Dryden.

To edge away or off (Naut.), to increase the distance gradually from the shore, vessel, or other object.

To edge down (Naut.), to approach by slow degrees, as when a sailing vessel approaches an object in an oblique direction from the windward.

To edge in, to get in edgewise; to get in by degrees.

To edge in with, as with a coast or vessel (Naut.), to advance gradually, but not directly, toward it.

Source: Webster's Revised Unabridged Dictionary (1913)