Circlet

Origin

From Middle French cerclet, diminutive of cercle.

Full definition of circlet

Noun

1. A crown without arches or a covering.
• SpenserHer fair locks in circlet be enrolled.
2. A small circle.
3. A round body; an orb.
• MiltonFairest of stars ... that crown'st the smiling morn
  With thy bright circlet.
4. (UK, dialect) A circular piece of wood put under a dish at table.