ambushment

Thereafter let it be that our knights withdraw as though in retreat, and so lead this knight and the knights of the castle into an ambushment.

From The Story of the Champions of the Round Table by Howard Pyle

It’s sure they take us for Hamelin Town, and are eager to lay their ambushment.

From Journeys to Bagdad by Charles S. (Charles Stephen) Brooks

And Gaal the son of Ebed went out, and stood in the entering of the gate of the city: and Abimelech rose up, and the people that were with him, from the ambushment.

From Select Masterpieces of Biblical Literature by Richard Green Moulton

Then he knew; saw it all as clearly as though he had witnessed it—the ambushment in the blinding sandstorm; the terror-stricken Waco; the frightened ponies; the lunging and swaying buckboard.

From Jim Waring of Sonora-Town Tang of Life by Henry Herbert Knibbs

Walkyn, Ulf! here hath been an ambushment, methinks—'tis a likely place for such.

From Beltane the Smith by Jeffery Farnol