\Sa*bel"li*an\, a.
Pertaining to the doctrines or tenets of Sabellius. See
{Sabellian}, n.

\Sa*bel"li*an\, n. (Eccl. Hist.)
A follower of Sabellius, a presbyter of Ptolemais in the
third century, who maintained that there is but one person in
the Godhead, and that the Son and Holy Spirit are only
different powers, operations, or offices of the one God the
Father.