D defs.my
Entry 3 senses Webster, 1913

Roundel

· Roun·del · IPA /ˈɹaʊn.dəl/
01 n. A rondelay.
  1. 1.
    A rondelay.(Mus.)
    “Come, now a roundel and a fairy song.” Shak.
  2. 2.
    Anything having a round form; a round figure; a circle.
    “The Spaniards, casting themselves into roundels, . . . made a flying march to Calais.” Bacon.
  3. 3.
    A small circular shield, sometimes not more than a foot in diameter, used by soldiers in the fourteenth and fifteenth centuries.(Her.)