A SURGEON's instrument is a tool used by surgeons to perform medical procedures. The four crossword solutions for the term 'SURGEON's instrument' are dilator (7 letters), stylet (6 letters), curet (5 letters), and LANCE (5 letters). A dilator is a device used to widen or enlarge a body cavity or opening. A stylet is a thin, flexible rod used to guide a catheter or other medical instrument into a body cavity. A curet is a spoon-shaped instrument used to scrape tissue from a body cavity. Lastly, a LANCE is a sharp, pointed instrument used to make incisions in the skin.