Definify.com
Webster 1913 Edition
Roundel
Roun′del
,Noun.
1.
(Mus.)
A rondelay.
“Sung all the roundel lustily.” Chaucer.
Come, now a
roundel
and a fairy song. Shakespeare
2.
Anything having a round form; a round figure; a circle.
The Spaniards, casting themselves into
Specifically: roundels
, . . . made a flying march to Calais. Bacon.
(a)
A small circular shield, sometimes not more than a foot in diameter, used by soldiers in the fourteenth and fifteenth centuries.
(b)
(Her.)
A circular spot; a sharge in the form of a small circle.
(c)
(Fort.)
A bastion of a circular form.