What is a cutting instrument, with hook-shaped point, and fitted with a handle; -- used in pruning, etc.; a billhook. When short, called a hand bill, when long, a hedge bill called?

bill — A cutting instrument, with hook-shaped point, and fitted with a handle; -- used in pruning, etc.; a billhook. When short, called a hand bill, when long, a hedge bill. (Webster's 1913.)