The two main devices (symbols) in the Brentan blazon are the wing and bar wavy. The three main tinctures (colors) are azure, sable and gules .
The bright, strong blue color in Heraldry is known in English as azure, and similarly in other European languages – azul in Spanish, azurro in Italian and azur in French. The word has its roots in the Arabic word lazura, also the source of the name of the precious stone lapis lazuli 1. Despite this, those heralds who liked to associate colours with jewels chose instead to describe blue as Sapphire. According to Wade, the use of this colour symbolises “Loyalty and Truth” 2.
Sable, the deep black so often found in Heraldry is believed to named from an animal of the marten family know in the middle ages as a Sabellinœ and noted for its very black fur 3. In engravings, when colors cannot be shown it is represented as closely spaced horizontal and vertical lines, and appropriately is thus the darkest form of hatching, as this method is known 4. Although it may seem a sombre tone, and does indeed sometimes denote grief, it is more commonly said to represent Constancy 5.
Red in heraldry is given the name Gules, sometimes said to be the “martyr’s colour”6. The colour is also associated with Mars, the red planet, and the zodiacal sign Aries 7. Later heralds of a more poetical nature would sometimes refer to the colour as ruby, after the precious stone.8.
Wings are frequently observed in coats of arms. Unless otherwise specified they should be shown as eagle’s wings, with a realistic appearance. 9 They can appear singly or in pairs, in which form they are very often found in the crest, which rests above the shield in a full achievement of arms. Wade, quoting Quillim, suggests that the use of the wing on the shield signifies “celerity and protection or covering”. 10
The bar is a thin, horizontal stripe across the centre of the shield, usually in groups of two or three (any more and there would be confusion with barry, a treatment of horizontal lines of alternating colours). It is also possible to place decorative edges along bars, typically these are smaller than those found on the major ordinaries like the fess and pale, but have the same design and share the same meanings. The decorative edge pattern Wavy, is a typical example of this. For obvious reasons it is associated with both water and the sea 11. Indeed, a roundel with alternating bars of azure and argent (blue and white) is known by the shorthand term fountain, representing water at the bottom of a well 12. Other colours have also been used and the result can be very pleasing to the eye.