Coat of arms of Jeffcott

The blazon

erm. three crescents az, on a canton gu. four cross crosslets, fitchee. — Crest, a boar, passant. [Borne by the Rev. John- William Jeffcott, of the Middle- Temple, London, 1827.]

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.