Pelagius

Pĕlăgĭus, ii, m.,

I a famous heretic of the fifth century A. D., Aug. Ep. 175; id. Haeres. 88.

II —Hence, Pĕlăgĭānus , i, m., a follower of Pelagius , Isid. Orig. 8, 5, 63.

pelagius
pelagius adj. , πελάγιος, of the sea: cursus, Ph. ...

An Elementary Latin Dictionary
pelagius
† pĕlăgĭus, a, um, adj., = πελάγιος, I of or belonging to the sea , sea- (pure Lat. marinus): pe...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.