Coat of arms of Millett

The blazon

ar. a fesse gu. betw. three dragons heads. erased, vert. — Crest, out of a mural coronet an arm, in pale, habited or, grasping in a glove ar. a dragon s head, erased, vert.

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.