A bill is a class of agricultural implement used for trimming tree limbs, which was often repurposed for use as an infantry polearm. In English, the term 'Italian bill' is applied to the similar ronco
An Italian bill (roncone) with a spike and a hook
A billhook or bill hook is a versatile cutting tool used widely in agriculture and forestry for cutting woody material such as shrubs, small trees and branches. It is distinct from the sickle. It was
Bill (weapon)
…In Brazil, the bill (foice) is a very common tool in rural areas as tool and sometimes as a self-defence weapon. Billhook Falx…
Modern billhook with saw blade, used in bushcraft activities
Traditional Devon pattern billhook made by W. Gilpin in 1918; original handle has been replaced. 12-inch/30 cm ruler shown for reference.
Page from the 1939 Nash–Fussells catalogue, showing a variety of types of bill hook with caulked handles
Billhooks for sale at Ludlow market, Shropshire, England