gurges

noun2

1. •
   (rare) A whirlpool.
2. •
   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.

   • Argent, a gurges azure, is borne by GORGES, of Langford, Wilts., created a Baronet 1612. As the gurges (like the fountain) represents water, argent and azure are its proper tinctures. — 1847