Glimmer gowk

from The Collaborative International Dictionary of English v.0.48

Glimmer \Glim"mer\, n.
   1. A faint, unsteady light; feeble, scattered rays of light;
      also, a gleam.
      [1913 Webster]

            Gloss of satin and glimmer of pearls. --Tennyson.
      [1913 Webster]

   2. Mica. See {Mica}. --Woodsward.
      [1913 Webster]

   {Glimmer gowk}, an owl. [Prov. Eng.] --Tennyson.
      [1913 Webster]