Bead n.
 1. A prayer. [Obs.]
 2. A little perforated ball, to be strung on a thread, and worn for ornament; or used in a rosary for counting prayers, as by Roman Catholics and Muslims, whence the phrases to tell beads, to be at one's beads, to bid beads, etc., meaning, to be at prayer.
 3. Any small globular body; as, (a) A bubble in spirits. (b) A drop of sweat or other liquid.  “Cold beads of midnight dew.” --Wordsworth. (c) A small knob of metal on a firearm, used for taking aim (whence the expression to draw a bead, for, to take aim). (d) Arch. A small molding of rounded surface, the section being usually an arc of a circle.  It may be continuous, or broken into short embossments. (e) Chem. A glassy drop of molten flux, as borax or microcosmic salt, used as a solvent and color test for several mineral earths and oxides, as of iron, manganese, etc., before the blowpipe; as, the borax bead; the iron bead, etc.
 Bead and butt Carp., framing in which the panels are flush, having beads stuck or run upon the two edges. --Knight.
 Bead mold, a species of fungus or mold, the stems of which consist of single cells loosely jointed together so as to resemble a string of beads. [Written also bead mould.]
 Bead tool, a cutting tool, having an edge curved so as to make beads or beading.
 Bead tree Bot., a tree of the genus Melia, the best known species of which (Melia azedarach), has blue flowers which are very fragrant, and berries which are poisonous.