Turning Tool With Teeth, Sounds Like a Nurse
Puzzle 8 of City Nicknames Hard Pack
Question is: Turning Tool With Teeth, Sounds Like a Nurse
and the answer is: RATCHET
Word Meaning:
RATCHET — A pawl, click, or detent for holding or propelling a ratchet wheel, or ratch, etc.
Definitions from Wiktionary.