Coat of arms of Thorney

The blazon

az. a lion, passant, or, betw. three mascles ar. — Crest, a demi lion, rampant, ppr. extending his foot, wounded, with a thorn sticking therein. [Confirmed to Peter Thorney, of London, descended out of Nottinghamshire, hy William Segar, Garter, lOf/t December, 1615.]

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.