billhook

[bil-hoo k] /ˈbɪlˌhʊk/
noun
1.
bill3 (def 3).
Origin
1605-15; bill3 + hook
British Dictionary definitions for billhook

billhook

/ˈbɪlˌhʊk/
noun
1.
a cutting tool with a wooden handle and a curved blade terminating in a hook at its tip, used for pruning, chopping, etc Also called bill