A delf is a shovelful of sod or dirt. It is found in the canting arms of Delves, c.1460 [DBA2 298]; it was considered equivalent to a billet, in both blazon and emblazon.
Vittorio Maria del Fabbro bears: Lozengy azure and argent, a delf sable.
Tibor of Rock Valley bears: Vert, a delf Or.
Angelique Thibodeau bears: Per chevron azure and argent, three delfs voided counterchanged.