roundel

roundel is a   Noun

Definition:

[1] A rondelay. "Sung all the roundel lustily." Chaucer. Come, now a roundel and a fairy song. Shak.

[2] Anything having a round form; a round figure; a circle. The Spaniards, casting themselves into roundels, . . . made a flying march to Calais. Bacon. Specifically:

[3] A small circular shield, sometimes not more than a foot in diameter, used by soldiers in the fourteenth and fifteenth centuries.

Synonyms: