A palæolithic stone implement, called originally lang de chat, evidently used for a great variety of purposes. Also called coup de poing (de Mortillet), and Chelleau implement.(noun)
The Century Dictionary (Public Domain)
Use "hache" in a sentence
"Ms. GREENSPAN: Means to mince, to chop, from the verb hache (ph)."
"We went to a nice restaurant in the 7th someplace, and on the menu was an entree that included "avocat hache" (accent aigu on the final e)."
"Have I missed something but I don't recall any mention of Rivette's Ne Touchez Pas á la hache in all this discussion of brand new French films?"