Source : Webster's Revised Unabridged Dictionary (1913)

Beetlehead \Bee"tle*head`\, n. [Beetle a mallet + head.]
   1. A stupid fellow; a blockhead. --Sir W. Scott.

   2. (Zo["o]l.) The black-bellied plover, or bullhead
      ({Squatarola helvetica}). See {Plover}.