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zebra,

herbivorous hoofed African mammal of the genus Equus, which also includes the horsehorse,
hoofed, herbivorous mammal now represented by a single extant genus, Equus. The term horse commonly refers only to the domestic Equus caballus and to the wild Przewalski's horse.
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 and the ass. It is distinguished by its striking pattern of black or dark brown stripes alternating with white. In size and body form it is intermediate between the larger horse and the smaller ass. It has a heavy head, stout body, short, stiff mane, and tufted tail. There are three zebra species; the quaggaquagga
, extinct type of zebra. It formerly inhabited open plains in S Africa, where its range overlapped that of the plains zebra, or common zebra (Equus quagga, formerly E. burchellii).
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, which became extinct in the late 19th cent., is not a separate species as was once thought but a variant of the plains zebra.

Most zebras inhabit open plains or brush country, while mountain zebras favor rocky hillsides. Zebra herds on the Serengeti of E Africa can be as large as 200,000 individuals, but all are organized in family groups led by a stallion. The plains zebras usually mix with other grazing animals, such as wildebeest and antelopes. They are swift runners, achieving speeds of up to 40 mph. Some authorities believe that the stripes evolved as visual identification to reinforce social bonds with other zebras, rather than for disguise or insect protection. The zebra's natural enemies are the lion and the leopard.

The plains zebra, or common zebra, E. quagga (formerly E. burchellii), is found throughout Africa S of the Sahara. It stands about 4 ft (120 cm) tall at the shoulder and has small ears. It has very broad stripes, which vary greatly in their pattern among the several subspecies, as well as among individuals of the same subspecies.

Grevy's zebra, E. grevyi, is a large zebra found in E Africa. It stands 4 1-2 to 5 ft (140–150 cm) at the shoulder and weighs about 600 lb (270 kg). It has large, rounded ears and numerous very narrow stripes. Grevy's zebra is now considered endangered, its numbers having been dramatically reduced since the 1970s.

Most distinctive is the mountain zebra, E. zebra, with a donkeylike build, long ears, and a characteristic stripe pattern. Unlike any other member of the genus Equus, its throat has a dewlap. One subspecies of the mountain zebra, Hartmann's zebra, found in the arid mountains and coastal plains of SW Africa, increased in numbers in the 1980s to an estimated 15,000 from about 7,000 in 1967. The other subspecies, the endangered Cape mountain zebra, is rarely found outside a protected area in South Africa.

Zebras have been hunted extensively for their flesh and skins. Zebras have been crossed with horses in an attempt to produce a draft animal, but the offspring have proved sterile and unreliable. Zebras are 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.
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, subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.

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zebra

[′zē·brə]
(vertebrate zoology)
Any of three species of African mammals belonging to the family Equidae distinguished by a coat of black and white stripes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

zebra

any of several mammals of the horse family (Equidae), such as Equus burchelli (the common zebra), of southern and eastern Africa, having distinctive black-and-white striped hides
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ZEBRA

A data management package in the CERN Program Library.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

Zebra

(1) A connector with zebra-like stripes. See elastomeric connector.

(2) A printer command language from Zebra Technologies. The Zebra programming language (ZPL) is used to print labels and barcodes.

(3) An early computer designed by Dutch computer pioneer W. L. Van der Pool and manufactured by Standard Telephones and Cables Limited in England. First placed in service in 1958, a few dozen units were sold in the U.K. and Europe.


The Zebra Computer
Paper tape and teleprinters were the I/O and a magnetic drum held 8K 33-bit words. See magnetic drum. (Image courtesy of The Computer History Museum, www.computerhistory.org)
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
In response to the recent report from Dr Vargesson, a company spokesman told Sky News: "Dr Vargesson concludes that his research data demonstrates that the active substances of Primodos are 'potentially teratogenic' (an agent that could disturb embryo development) in the zebra fish and that his findings are worthy of further research in mammals.
Joseph Dalton is hoping to gain insight into cardiac disorders by spending the summer in up-close and personal encounters with zebra fish.
Further you dream any kind of fish, in fact it has 4000 varieties of fishes - Butterfly fish, Fighter Fish, Angelfish, Red Parrot, Neon Tetra, Sword Tail, Gold Snail, Discus, Dragon Fish, Zebra Fish, Archer, Silver Arowana, Dalmation Molly and so on and so forth.
Nothing so remarkable about this mosaic then, apart from the fact that the zebra fish is one of the most studied in the world and the mosaic represents a coming together of community, art and science.
With the recent discovery that a Zebra Fish can heal its own heart, the British Heart Foundation has launched the Mending Broken Hearts Appeal to help fund further research.
A collaboration among the Rochester (Minn.) Public Schools, the Mayo Clinic, and Winona State University is turning students into excited scientists who are learning through hands-on lessons designed by Mayo researchers, teachers, parents, and students, some of which involve the study of the life cycle of Zebra Fish, a species that happens to share 75 percent of the genetic code with humans.
Earlier this year, scientists from the same institute had decoded the genetic material of zebra fish. Genetic material of the zebra fish is half the size of human beings.
AQUATIC LARVA COTTON FIBRES FLOWERING PLANT SEASTAR SNAIL EGGS FLOWER STEM SNOWFLAKE HUMAN SKIN LOBSTER EGG ZEBRA FISH
This edition has new material on the behavior of zebra fish and Caenorhabditis elegans, the relevance of transgenic mouse models for Alzheimer's disease, behavioral methods for assessing the cognitive impairment associated with major psychotic disorders, the revival of the scopolamine reversal model for assessing the clinical relevance of new AD drugs, and new approaches to assessing cognitive impairment in aged mice and mice impaired as a consequence of high cerebral amyloid burden.
Parnell's win not only earned him city-wide bragging rights, but also a 14-foot Carolina Skiff with four-stroke motor and galvanized trailer--a perfect rig for targeting more zebra fish inshore.
about 95 percent of research animals are rodents--that is, if you don't count fruit flies or zebra fish. Dogs and cats comprise less than one percent, and primates less than one-half of one percent."