Obs. Also coproune, coporne, coperone, -perun, -poroun. [a. OF. couperon, -un, cuperun summit (still in Guernsey coupron summit of a hill), deriv. of OF. cope, coppe, Sp. copa summit, whence also F. coupeau, and OF. coupet, coupie, coupier. See Diez s.v. coppa, Littré s.v. coupeau.] A summit, top.
c. 1325. E. E. Allit. P., B. 1461. Þe coperounes of þe canacles þat on þe cuppe reres.
c. 1340. Gaw. & Gr. Knt., 797. Fayre fylyolez … With coruon coprounes, craftyly sleȝe.
c. 1440. Promp. Parv., 91. Coporne or coporour of a thynge [K. H. coperone, 1499 coperun], capitellum.
