1. a thin, pointed surgical instrument used for probing or as a guide for inserting other instruments
Usage: medical
2. a slender, needle-like mouthpart used by certain insects and other animals for piercing and feeding
Usage: biology
3. a wire or rod used to maintain the shape or patency of a hollow medical instrument
Usage: medical

Examples

• The surgeon used a stylet to guide the catheter into position.
• Mosquitoes have a sharp stylet that allows them to pierce skin.
• The stylet was removed once the tube was properly placed.
• Aphids use their stylet to extract sap from plant stems.
• A flexible stylet helped navigate the curved pathway.
• The insect’s stylet is barely visible under a microscope.