| 单词 | onager | ||||||
| 释义 | onagerenUKon·a·gerO0074600 (ŏn′ə-jər)onager(ˈɒnədʒə)on•a•ger(ˈɒn ə dʒər)n., pl. -gers, -gri (-ˌgraɪ)
onagerenUKonager(ŏn`əjər) orPersian wild ass,wild assass,hoofed, herbivorous mammal of the genus Equus, closely related to the horse. It is distinguished from the horse by its small size, large head, long ears, and small hooves. There are three living species: Equus hemonius, the Asian wild ass; E. ..... Click the link for more information. of central Asia, Equus hemonius onager. Formerly classified as a separate species, it is one of the several subspecies of Asian wild ass (E. hemonius; the term onager is also now used more broadly for Asian wild ass). It formerly ranged widely across Iran, Afghanistan, and Pakistan. A small, slenderly built animal, it stands about 4 ft (120 cm) high at the shoulder. Its back and legs are rusty brown and its belly white. It has a black tail tuft, a short, stiff black mane, and a black spinal stripe lined with white on either side. For many centuries it was hunted for sport by the Persian nobility, and young onagers were captured for the breeding of riding animals. Owing to the swiftness and endurance of the onager, relatively few animals were captured by traditional methods. However, since the invention of modern firearms and automobiles, the animals have been extensively slaughtered for their flesh and hides. Greatly reduced in number, they are a highly endangered species. Populations have been introduced in a few areas once inhabited by the extinct Syrian race of the Asian wild ass. The onager is classified in the phylum ChordataChordata , phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals. ..... Click the link for more information. , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae. Onager(Equus hemionus onager), a perissodactylous animal of the genus Equus; a subspecies of the Asiatic wild ass (E. hemionus). Sometimes the name “onager” is used as a synonym for the Asiatic wild ass. Onagera type of large catapult used in ancient Greece and Rome between the fourth century B.C. and the fifth century A.D. in besieging and defending forts. It hurled stones, barrels containing an incendiary mixture, and other projectiles weighing 30–500 kg at an angle of elevation of up to 45° over distances of 350–1,000 m. onageronagerenUK
Synonyms for onager
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onager - an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
onager - Asiatic wild ass