1. An imaginary animal, sometimes represented in coats of arms, with the forepart of a dragon, the tail of a scorpion, the feet of a bird, and wings expanded.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wiver,
• sylvern,
• wiveren,
• vivern,
• wyner,
• wyerd,
• weyvern,
• whyvern,
• wyveren,
• yvern,
• wyvren,
• wyvernn,
• wyvurn,
• wyvarn,
• Wyery,
• Wyten,
• Wyved,
• jyver,
• WYSEn,
• wyverne

• wivern.

The adjective form of the word "wyvern" is "wyverian".

The plural of the "wyvern" can be the "wyverns".

The singular of the "wyvern" can be the "wyvern".