n. [ L. archangelus, Gr. 'archa`ggelos: cf. OF. archangel, F. archange. See Arch-, pref., and Angel. ] 1. A chief angel; one high in the celestial hierarchy. Milton. [ 1913 Webster ]
2. (Bot.) A term applied to several different species of plants (Angelica archangelica, Lamium album, etc.). [ 1913 Webster ]