front edge

The fiscal cliff was the front edge; next, a pitched battle will gather on the debt ceiling.

A stone wall upheld its front edge from the narrow street; and on top of this wall stiff hedges grew.

The seat must be correctly placed as regards the distance of its front edge from the corresponding edge of the desk.

On the front edge of the border is a very excellent place for annual and tender flowering plants.

But the storm-cloud grows; its front edge, drawn out like a long sleeve, bends over into an arch.

That increase of speed causes the air to press a little more strongly than it did before upon the front edge of the planes.