绞刀

绞刀	jiǎo dāo	reamer
绞	jiǎo	to twist (strands into a thread) / to entangle / to wring / to hang (by the neck) / to turn / to wind / classifier for skeins of yarn
刀	Dāo	surname Dao
刀	dāo	knife / blade / single-edged sword / cutlass / CL:把 / (slang) dollar (loanword) / classifier for sets of one hundred sheets (of paper) / classifier for knife cuts or stabs