Demonstrance

n. [ Cf. OF. remonstrance, F. remonstrance. See Remonstrate. ] 1. The act of remonstrating; as: (a) A pointing out; manifestation; proof; demonstration. [ Obs. ] [ 1913 Webster ]

You may marvel why I . . . would not rather
Make rash remonstrance of my hidden power
Than let him be so lost. Shak. [ 1913 Webster ]

(b) Earnest presentation of reason in opposition to something; protest; expostulation. [ 1913 Webster ]

2. (R.C.Ch.) Same as Monstrance. [ 1913 Webster ]