The Collaborative International Dictionary
Displume
Displume \Dis*plume"\, v. t. [imp. & p. p. Displumed; p. pr. & vb. n. Displuming.] [Pref. dis- + plume: cf. OF. desplumer, F. d['e]plumer.] To strip of, or as of, a plume, or plumes; to deprive of decoration; to dishonor; to degrade.
Displumed, degraded, and metamorphosed.
--Burke.
Wiktionary
displume
vb. To deprive of feathers, plumes, awards.