- roundel - English form of rondeau having three triplets with a refrain after the first and third
--1 is a kind of rondeau, rondel
- roundel - round piece of armor plate that protects the armpit
--2 is a kind of armor plate, armour plate, armor plating, plate armor, plate armour
--2 is a part ofbody armor, body armour, suit of armor, suit of armour, coat of mail, cataphract - annulet, roundel - a charge in the shape of a circle; a hollow roundel
--3 is a kind of charge, bearing, heraldic bearing, armorial bearing
- roundel - round piece of armor plate that protects the armpit