Definition of remonstrancer in US English:

remonstrancer

noun

rare
  • Usually with capital initial. A supporter or presenter of a remonstrance. Also (occasionally): a person who protests or expresses disapproval.

Origin

Early 17th century. Partly from remonstrance + -er, and partly (in later use) from remonstrance + -er.

Pronunciation

remonstrancer

/rɪˈmɒnstr(ə)nsə/