circlet Syllabification: (cir·clet)Pronunciation: /ˈsərklət/Definition of circlet noun a circular band, typically one made of precious metal, worn on the head as an ornament. a small circular arrangement or object. Origin: late Middle English: from circle + -et1, perhaps reinforced by archaic French cercletcirclet in other Oxford dictionaries Definition of circlet in the British & World English dictionary