Sty"let (?), n. [F., dim. of style; cf. It. stiletto. See Stiletto.]
A small poniard; a stiletto.
2. Surg. (a)
An instrument for examining wounds and fistulas, and for passing setons, and the like; a probe, -- called also specillum.
(b)
A stiff wire, inserted in catheters or other tubular instruments to maintain their shape and prevent clogging.
3. Zool.
Any small, more or less rigid, bristlelike organ; as, the caudal stylets of certain insects; the ventral stylets of certain Infusoria.
© Webster 1913.