A Scotch (brod, brōd) variant of BOARD (see senses 1–4). Also, an escutcheon (obs.).

1

1643.  Acts Ass., 171 (Jam.). Abuses in hinging of pensils and brods, affixing of honours and arms,—hath crept in.

2

1861.  Ramsay, Remin., Ser. II. 26. As he went round with the ladle, he used to remind such members of the congregation as seemed backward in their duty, by giving them a poke with the ‘brod.’

3