n. An angel of the highest order; a chief angel.n. A member of the lowest but one of the nine orders of angels composing the “celestial hierarchy” of Dionysius the pseudo-Areopagite, whose classification was adopted by Pope Gregory the Great, and is generally accepted by the theologians of the Roman Catholic Church.n. In botany: The name of several labiate plants, as Stachys sylvatica and species of Lamium.n. An umbelliferous plant, Archangelica officinalis. See angelica.n. A slim-bodied, thin-faced variety of domestic pigeon, of rather small size, with long head and beak, a peaked crest, and rich metallic lustrous plumage, black on the shoulders and tail, but coppery elsewhere.