fylfot (FIL-fot) - n., (rare) a swastika.
Especially one with arms bent anticlockwise and truncated. This is probably a non-word, supposedly revived by 19th century antiquarians based on a conjectural reading of one manuscript (where it was understood as a design used to fill the foot of stained-glass windows) and then applied to a heraldic design. Usage has since expanded among design historians and collectors, as a way to distinguish other uses of the symbol than that of the Nazi Party (and modern spiritual descendants).

Argent a fylfot azure
---L.
Especially one with arms bent anticlockwise and truncated. This is probably a non-word, supposedly revived by 19th century antiquarians based on a conjectural reading of one manuscript (where it was understood as a design used to fill the foot of stained-glass windows) and then applied to a heraldic design. Usage has since expanded among design historians and collectors, as a way to distinguish other uses of the symbol than that of the Nazi Party (and modern spiritual descendants).
Argent a fylfot azure
---L.