Beaver, (fr. and lat. castor), occurs in the insignia of BEVERLEY, Yorkshire, and in other arms where the name suggests it; but it is used more frequently as a crest.
Vert, on a base barry of five argent and azure two beavers, rampant combatant or--Thomas BEVERIDG, co. Chester, 1595.
Or, a fesse azure between lions rampant in chief gules, and a beaver passant in base proper--BEAVER.
Argent, three beaver's tails[erect] gules--BEAVER.
Argent, a cross gules between four beavers passant proper--HUDSON BAY Company[Inc. 1670].
Beaver, or Beauvoir: the part of the Helmet which opens to shew the face.