Coat of arms of Brodie

The blazon

ar. a chev. betw. three mullets, gu. — Crest, on a wreath, a cubit arm, ppr. holding in the hand three arrows, points towards, the dexter. [Borne by ... . Brodie, Esq. of Salisbury, and Alexander Brodie, D.D. of East Bourne, Sussex, 1823.]

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.