Sti·let·to n.; pl. Stilettos
  1. A kind of dagger with a slender, rounded, and pointed blade.
  2. A pointed instrument for making eyelet holes in embroidery.
  3. A beard trimmed into a pointed form. [Obs.]
  The very quack of fashions, the very he that
  Wears a stiletto on his chin.   --Ford.