hashitsuki_nata
A usually double-handed striking tool with a sharp rectangular blade used to cut and split wood. It looks like an oversized cleaver with a blunt or pointed nose.
It also is an archetypical yandere weapon. Ryuuguu Rena in Higurashi no Naku Koro ni has one of those.
Not to be confused with a billhook.
See also
Aliases: none