1. A fabulous animal, generally represented as a monstrous winged serpent or lizard, with a crested head and enormous claws, and regarded as very powerful and ferocious. The dragons which appear in early paintings and sculptures are invariably representations of a winged crocodile. (Fairholt)
in Scripture the term dragon refers to any great monster, whether of the land or sea, usually to some kind of serpent or reptile, sometimes to land serpents of a powerful and deadly kind. It is also applied metaphorically to Satan. Thou breakest the heads of the dragons in the waters. (Ps. Lxxiv. 13) Thou shalt tread upon the lion and adder; the young lion and the dragon shalt thou trample under feet. (Ps. Xci. 13) He laid hold on the dragon, that old serpent, which is the devil and Satan, and bound him a thousand years. (rev. Xx. 2)
6. (Science: zoology) a small arboreal lizard of the genus draco, of several species, found in the East Indies and southern asia. Five or six of the hind ribs, on each side, are prolonged and covered with weblike skin, forming a sort of wing. These prolongations aid them in making long leaps from tree to tree. Called also flying lizard.
(Science: botany) dragon arum, a west african liliaceous tree (dracaena draco), yielding one of the resins called dragons blood. See dracaena. Dragon water, a medicinal remedy very popular in the earlier half of the 17th century. Dragon water may do good upon him. . Flying dragon, a large meteoric fireball; a bolide.