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