Coat of arms of Segar

The blazon

az. a cross moline ar. — Crest, on a ducal coronet or. two snakes vert, entwined round a sceptre of the first, betw. two wings, the dexter or, the other ar. [Granted W\2.'\

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.