A Khyber Knife
“Rung ho!” Narayan Singh shouted again. A tremendous overhand cut knocked his opponent back on his heels; the Lancer took the instant to pull a Khyber knife from his girdle and flip it through the air toward King.
“Here, huzoor—for you!”
It flashed through the air; a genuine Pathan chora, a pointed cleaver two feet long with a back as thick as a man’s thumb and an edge fit to shave with….
— S.M. Stirling, The Peshawar Lancers, Chapter 4
Such a brief but vivid description.