U`ni*ta"ri*an (?), n. [Cf. F. unitaire, unitairien, NL. unitarius. See Unity.]
1. Theol.
One who denies the doctrine of the Trinity, believing that God exists only in one person; a unipersonalist; also, one of a denomination of Christians holding this belief.
2.
One who rejects the principle of dualism.
3.
A monotheist.
[R.]
Fleming.
© Webster 1913.
U`ni*ta"ri*an (?), a.
Of or pertaining to Unitarians, or their doctrines.
© Webster 1913.