(n) :
(heraldry) A series of typically four to six concentric annulets (in early heraldry, from at least the 1200s), or a spiralling line from the centre to the edge of the shield (in late heraldry); a stylized whirlpool.
(n) :
(heraldry) A series of typically four to six concentric annulets (in early heraldry, from at least the 1200s), or a spiralling line from the centre to the edge of the shield (in late heraldry); a stylized whirlpool.