Billhook

I worked very hard in the copse of young ash, with my billhook and a shearing-knife; cutting out the saplings where they stooled too close together, making spars to keep for thatching, wall-crooks to drive into the cob, stiles for close sheep hurdles, and handles for rakes, and hoes, and two-bills, of the larger and straighter stuff.

Source: wiktionary

With a small billhook he carefully freed the collar of the tree from twigs and patches of moss which incrusted it to a height of a foot or two above the ground, an operation comparable to the "little toilet" of the executioner's victim.

Source: wiktionary

Toward the end of July, Vatanen took a forestry job. It meant billhooking and chopping excessive undergrowth from the woods on the sandy ridges around Kuhmo and living in a tent with an ever more faithful, almost full- grown hare.

Source: wiktionary