to say or plead in protest, objection, or disapproval.
2.
Obsolete. to show.
verb (used without object)
3.
to present reasons in complaint; plead in protest.
Origin: 1590–1600; < Medieval Latinremōnstrātus (past participle of remōnstrāre to exhibit, demonstrate), equivalent to re-re- + mōnstrā(re) to show + -tus past participle suffix; see -ate1