bead 
/ˈbi:d/ noun
plural beads /ˈbi:d/ noun [count] 1 : a small, usually round piece of glass, wood, stone, etc., that has a hole through its center and that is put on a string with other similar pieces and worn as jewelry or that is sewn onto clothing
▪ a string of beads ▪ She was wearing beads. [=a necklace of beads] — see color picture 2 : a small, round drop of liquid (such as water or blood)
▪ Beads of sweat began rolling/running down their faces.
▪ a string of beads ▪ She was wearing beads. [=a necklace of beads] — see color picture
▪ Beads of sweat began rolling/running down their faces.
draw a bead on also US get a bead on or take a bead on
: to aim at (someone or something)
▪ He lifted the rifle and carefully drew a bead on the target. — often used figuratively ▪ The government is drawing a bead on inflation. [=is targeting inflation] ▪ It's hard to get a bead on [=to understand] the reasons for her decision.
▪ He lifted the rifle and carefully drew a bead on the target. — often used figuratively ▪ The government is drawing a bead on inflation. [=is targeting inflation] ▪ It's hard to get a bead on [=to understand] the reasons for her decision.
