Coat of arms of Mackillop

The blazon

sa. a stag s head, cabossed, ar. — Crest, a demi eagle reguard, ppr. M Killop, [Scotland,]- ar. on a chev. az. betw. three talbot s heads, erased, gu. a rose and a crescent of the field. — Crest, a talhot s head, erased, ppr.

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.