Source : Webster's Revised Unabridged Dictionary (1913)

Wariangle \War`i*an"gle\, n. [OE. wariangel, weryangle; cf. AS.
   wearg outlaw, criminal, OHG, warg, warch, Goth. wargs (in
   comp.), G. w["u]rgengel, i. e., destroying angel, destroyer,
   killer, and E. worry.] (Zo["o]l.)
   The red-backed shrike ({Lanius collurio}); -- called also
   {w["u]rger}, {worrier}, and {throttler}. [Written also
   {warriangle}, {weirangle}, etc.] [Obs. or Prov. Eng.]