bead

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Related to draw a bead on: get a bead on, get a bead on someone

bead

(bēd) a small spherical structure or mass.
rachitic beads  a series of prominences at the points where the ribs join their cartilages; seen in certain cases of rickets.

bead

(bēd) [ME. bede, prayer, prayer bead (on a rosary), bead]
A small spherical object, typically made of glass, plastic, or metal. Beads have numerous uses in health care. They are employed in sterilization equipment and in some diagnostic and therapeutic injections.