Bead

n. 1 a small usu. rounded piece of glass, stone, etc., for threading to make necklaces etc., or sewing on to fabric, etc. b (in pl.) bead necklace; rosary. 2 drop of liquid. 3 small knob in the foresight of a gun. 4 inner edge of a pneumatic tyre gripping the rim of the wheel. v. adorn with or as with beads.