The Collaborative International Dictionary of English v.0.48:

Cop-rose \Cop-rose`\, n. [F. coprose, of uncertain origin; cf.
   D. klaproos, klapperroos.]
   The red, or corn, poppy. [Written also cup-rose.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cup-rose \Cup"-rose\ (k?p"r?z), n.
   Red poppy. See Cop-rose.
   [1913 Webster]