Learn how to say Stylet correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word stylet:
1 Medicine a slender probe.
a wire or piece of plastic run through a catheter or cannula in order to stiffen it or to clear it.
2 Zoology (in an invertebrate) a small style, especially a piercing mouthpart of an insect.
late 17th century: from French stilet, from Italian stiletto (see stiletto)