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.
Sti·let·to, v. t. [imp. & p. p. Stilettoed p. pr. & vb. n. Stilettoing ] To stab or kill with a stiletto.
n : a small dagger with a tapered blade