
Arrondi, or arrondie, in heraldry, as in cross-arrondi, or rounded, is that whose arms are composed of sections of a circle, not opposite to each other, so as to make the arm bulge out thicker in one part than another; but both the sections of each arm lie the same way, so that the arm is of a uniform thickness throughout. All of them terminate at...
Found on
http://en.wikipedia.org/wiki/Arrondi

of a heraldic device, having rounded sides
Found on
http://phrontistery.info/a.html
No exact match found.