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

greenhead \green"head`\, n. zool.
   a the mallard.
   b the striped bass. see bass. greenhead
see also:
bass 

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

greenhead \green"head\, greenhood \green"hood\, n.
   a state of greenness; verdancy. --chaucer.
   1913 webster

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

mallard \mal"lard\, n. f. malari,fr. m^ale male + -art =
   -ard. see male, a., and -ard.
   1. zool. a drake; the male of anas boschas.
      1913 webster

   2. zool. a large wild duck anas boschas inhabiting both
      america and europe. the domestic duck has descended from
      this species. called also greenhead.
      1913 webster
see also:
male -ard anas boschas greenhead 

Greenhead >> G Words
Greenhead, definition of term: Greenhead
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