'Stylet' definitions:

Definition of 'stylet'

From: WordNet
noun
Small needlelike appendage; especially the feeding organ of a tardigrade

Definition of 'Stylet'

From: GCIDE
  • Stylet \Sty"let\, n. [F., dim. of style; cf. It. stiletto. See Stiletto.] A small poniard; a stiletto. [1913 Webster]
  • 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. [1913 Webster]
  • 3. (Zool.) Any small, more or less rigid, bristlelike organ; as, the caudal stylets of certain insects; the ventral stylets of certain Infusoria. [1913 Webster]