A supporter or associate of the Roman statesman and general Gnaeus Pompeius Magnus, or of his son Sextus Pompeius.
Of or relating to Pompey or his party.
Mid 16th century; earliest use found in Richard Morison (c1510–1556), humanist and diplomat. From classical Latin Pompēiānus of or belonging to Pompey, follower of Pompey (referring either to Gnaeus Pompeius Magnus, 106–48 b.c., or to his son, Sextus Pompeius, 67–35 b.c.) from the name of Pompēius Pompey + -ānus.
A native or inhabitant of Pompeii.
Of or relating to Pompeii; characteristic or reminiscent of the culture of Roman Pompeii, especially its painting or architecture.
Mid 17th century. From classical Latin Pompeiānus of or relating to Pompeii, native or inhabitant of Pompeii from Pompēii, the name of an ancient city in western Italy + -ānus.