yeldrine

from The Collaborative International Dictionary of English v.0.48

Yeldrin \Yel"drin\or Yeldrine \Yel"drine\, n. [Cf. {Yellow}.]
   (Zool.)
   The yellow-hammer; -- called also {yeldrock}, and {yoldrin}.
   [Prov. Eng.]
   [1913 Webster]