Source : Webster's Revised Unabridged Dictionary (1913)

Perch \Perch\, v. i. [imp. & p. p. {Perched}; p. pr. & vb. n.
   {Perching}.] [F. percher. See {Perch} a pole.]
   To alight or settle, as a bird; to sit or roost.

         Wrens make prey where eagles dare not perch. --Shak.