[Cf. F. mod. coprose in same sense. Connection with F. couperose copperas, or copper-nose, has been suggested; Hatzfeld compares Ger. klapperrose.] A local name of the red Corn Poppy (Papaver Rhœas).
1776. Withering, Brit. Plants (1796), II. 487. Corn, or Red Poppy. Corn Rose. Cop-rose. Head-wark.
1787. Grose, Provinc. Gloss., Cop rose, Papaver rhæas, called also head work.
1847–78. Halliwell, Copper-rose, the red field poppy.
1878–86. Britten & Holland, Plant-n., Cop-rose, or Copper-rose. (Northumb., Yorksh., Suffolk.) One Yorkshire correspondent writes it Copperrass.
