something round or circular.
a small, round pane or window.
a decorative plate, panel, tablet, or the like, round in form.
4. Also, rondel. Theater.
a round piece of colored gelatin or glass placed over stage lights as a color medium to obtain lighting effects.
5. Armor. a.
a metal disk that protects the armpit.
a metal disk on a hafted weapon or a dagger to protect the hand.
Heraldry. a small circular charge.
7. Prosody. b.
a modification of the rondeau, consisting of nine lines with two refrains.
Origin: 1250–1300; Middle English roundele, rundel
) < Old French rondel,
derivative of rond round1