imaginal

from The Collaborative International Dictionary of English v.0.48
Imaginal \Im*ag"i*nal\, a. [L. imaginalis.]
   1. Characterized by imagination; imaginative; also, given to
      the use or rhetorical figures or imagins.
      [1913 Webster]

   2. (Zool.) Of or pertaining to an imago.
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   {Imaginal disks} (Zool.), masses of hypodermic cells, carried
      by the larv[ae] of some insects after leaving the egg,
      from which masses the wings and legs of the adult are
      subsequently formed.
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