The Collaborative International Dictionary
Transubstantiator
Transubstantiator \Tran`sub*stan"ti*a`tor\, n. [Cf. F.
transsubstantiateur.]
One who maintains the doctrine of transubstantiation.
--Barrow.
Wiktionary
transubstantiator
n. (context theology English) One who maintains the doctrine of transubstantiation.