Definition of reunionist in English:
reunionist
noun (ˌ)rɪːˈjuːnɪənɪst
A supporter or advocate of reunion between disunited factions, nations, etc.; especially (also with capital initial) an advocate of the reunion of Protestants (especially Anglicans) with the Roman Catholic Church.
adjective (ˌ)rɪːˈjuːnɪənɪst
Advocating or supporting reunion, especially that of Protestants with the Roman Catholic Church.
Origin
Early 19th century. From reunion + -ist. Compare reunionism.
Definition of reunionist in US English:
reunionist
noun(ˌ)rɪːˈjuːnɪənɪst
A supporter or advocate of reunion between disunited factions, nations, etc.; especially (also with capital initial) an advocate of the reunion of Protestants (especially Anglicans) with the Roman Catholic Church.
adjective(ˌ)rɪːˈjuːnɪənɪst
Advocating or supporting reunion, especially that of Protestants with the Roman Catholic Church.
Origin
Early 19th century. From reunion + -ist. Compare reunionism.