jumbo n.— «The Red Lake gold mine covers 55,000 acres of western Ontario, amid mountains, creeks, and pine forests populated by wild caribou. In its main shaft, which plunges 1,023m into the earth, drilling machines called jumbos extract...
king line n.— «“I want to climb hard routes, but I want something that inspires me” Sharma, 26, has the ability to climb just about anything anywhere. But he said he turns up his nose at any problem—no matter how challenging—that’s...
bump n.— «Dreger said data from the blowout, or “bump” as it is known in mining parlance, showed the initial motion of the earth was the same, though smaller in force, to the initial collapse. He said that analysis confirmed...
babyhead n.— «The group trudges onward, scrambling over teetering scree—rocks first the size of oranges and then as big as volleyballs (called “babyheads” in climbing lingo).» —“Former Texas lawmaker heads for the hills...
witness mark n. generally, an intentional, accidental, or naturally occurring spot, line, groove, or other contrasting area that serves as an indicator of certain facts; in geography and surveying, a blaze, cut, hole, paint splash, or message...
technical adj.— «In trail racing parlance, mud, roots and rocks on the trail are described as a “technical” trail. » —“SRTs again…“ Hungry Ghost’s Daily Diet (Canada) July 30, 2007. (source: Double...