Circlet /(?)/

Cir·clet

Circlet

n.
  1. A little circle; esp., an ornament for the person, having the form of a circle; that which encircles, as a ring, a bracelet, or a headband.
    Her fair locks in circlet be enrolled.
  2. A round body; an orb.
    Fairest of stars . . . that crown'st the smiling morn With thy bright circlet.
  3. A circular piece of wood put under a dish at table. [Prov. Eng.]