Wiv'er or Wiv'ern, n.

noun

n. [Written also wyvern.] [O. Fr. vivre, viper, from Lat. vipera. See VIPER.] (Her.) A kind of heraldic dragon or serpent; a kind of two-legged dragon. “The jargon of heraldry, its griffins, its moldwarps, its wiverns, and its dragons.” W. Scott.

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