Gyronny is a very distinctive pattern covering the whole field of the shield, being a series of triangles, drawn from the edges and meeting in the centre of the shield A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Gyronny. Each triangle is known as a gyron, and these sometimes appear as charges in their own right Boutell’s Heraldry, J.P. Brooke-Little, Warne, (revised Edition) London 1970, P 55. Wade suggests that the use of gyrons upon a shield should be taken to denote “unity”.