Escudo del apellido Odo

El blasón

az. two bends, cottised, ar. — Crest, a dexter hand holding a sword. O Doherty, [Ireland,] ar. a buck at full speed, .... on a chief vert, three mullets of the first. — Crest, as the last. O Donavan, [Ireland,] ar. a hand, couped above the wrist, fesseways, cuff turned up, .... holding a sword, in pale, entwined with a serpent. — Crest, an eagle, rising.

El blasón es la descripción del escudo en el lenguaje técnico de la heráldica. De ese texto, y solo de ese texto, sale el dibujo.