[1] : The Collaborative International Dictionary of English v.0.48

beetlehead \bee"tlehead`\, n. beetle a mallet + head.
   1913 webster
   1. a stupid fellow; a blockhead. --sir w. scott.
      1913 webster

   2. zool. the black-bellied plover, or bullhead squatarola
      helvetica. see plover.
      1913 webster
see also:
squatarola helvetica plover 

[2] : The Collaborative International Dictionary of English v.0.48

bullhead \bull"head`\, n.
   1. zool.
      a a fresh-water fish of many species, of the genus
          uranidea, esp. uranidea gobio of europe, and
          uranidea richardsoni of the united states; -- called
          also miller's thumb.
      b in america, several species of amiurus; -- called
          also catfish, horned pout, and bullpout.
      c a marine fish of the genus cottus; the sculpin.
          1913 webster

   2. zool.
      a the black-bellied plover squatarola helvetica; --
          called also beetlehead.
      b the golden plover.
          1913 webster

   3. a stupid fellow; a lubber. colloq. --jonson.
      1913 webster

   4. zool. a small black water insect. --e. phillips.
      1913 webster

   bullhead whiting zool., the kingfish of florida
      menticirrus alburnus.
      1913 webster
see also:
uranidea uranidea gobio uranidea richardsoni miller's thumb amiurus catfish 
horned pout bullpout cottus squatarola helvetica beetlehead 
bullhead whiting menticirrus alburnus 

Helvetica >> H Words
Helvetica, definition of term: Helvetica
helvetica_pag1.html