bul·let 
(blĭt)
(blĭt)n.
1.
a. A usually metal projectile in the shape of a pointed cylinder or a ball that is expelled from a firearm, especially a rifle or handgun.
b. Such a projectile in a metal casing; a cartridge.
2. An object resembling a projectile in shape, action, or effect.
3. Printing A heavy dot (·) used to highlight a particular passage.
[French boulette, diminutive of boule, ball, from Old French, from Latin bulla.]