hydroparastatae /ˌhaɪdɹoʊpəˈɹastətiː/ noun[plural only]1 •a denomination, sect, church, or other group which professes to be Christian but uses water to administer the Eucharist instead of wine.
Hydroparastatae /hˈa͡ɪdɹəpˌaɹastˌatiː/ noun1 •(historical) a member of a 4th century sect which used water for administering the Eucharist instead of wine.