Coat of arms of Raveschoot

The blazon

D'or à trois corbeaux de sa. C: un dauphin au nat., la tête en bas, la bouche ouv.

Source: J.-B. Rietstap, Armorial Général (1884)

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.