chaplet

noun

1. a wreath or garland for the head.
2. a string of beads.
3. Roman Catholic Church.
   1. a string of beads, one-third of the length of a rosary, for counting prayers.
   2. the prayers recited over this.
4. Architecture. a small molding carved to resemble a string of beads; astragal.
5. Metallurgy. an object for separating the core of a mold from a wall, composed of the same metal as the casting and forming an integral part of it.

noun

1. an ornamental wreath of flowers, beads, etc, worn on the head
2. a string of beads or something similar
3. RC Church
   1. a string of prayer beads constituting one third of the rosary
   2. the prayers counted on this string
4. a narrow convex moulding in the form of a string of beads; astragal
5. a metal support for the core in a casting mould, esp for the core of a cylindrical pipe