"GYRON. A triangular figure formed by two lines from one of the angles of the shield to the centre.…
"The gyron is a triangular figure formed by drawing a line from the dexter angle of the chief of the…
"Gyronny of eight pieces, azure, argent, and gules. GYRONNY. When the field is covered with gyrons,…
"Gyrony of eight pieces, argent and gules. The field is said to be gyrony when it is covered with gyrons."…