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Definition of the noun arachnida

What does arachnida mean as a name of something?

noun - plural: -

  1. a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings


"Arachnida" is a lithograph by German naturalist Ernst Haeckel. This lithograph is from his book Kunstformen der Natur, which was first published in 1899.

  • completed in (112 years ago)


Arachnida is a canonical version, musical recording.

Printed dictionaries and other books with definitions for Arachnida

Click on a title to look inside that book (if available):

Google previewThe Encyclopedia of Medical and Veterinary Entomology (2013)

by Richard C. Russell, Domenico Otranto, Richard L. Wall

The Arachnida is a large and diverse class, containing several subclasses and orders of importance. 3.3.1 Subclass Acari (mites and ticks) The Acari are often small arthropods, varying widely in shape but in which the prosoma (anterior ...

Google previewBlack's Veterinary Dictionary (2001)

by Edward Boden

Arachnida. Arachnida is the name of the class of Arthropoda to which belong the mange mites, ticks, and spiders. Arachidonic. Acid. (see EICOSANOIDS). Arachnoid. Membrane. Arachnoid membrane is one of the membranes covering the ...

Google previewKrishna's Non-Chordata

Arachnida is a class of subphylum chelicerata. Characters of crustacia 1. All are aquatic. 2. Head contains two pairs of antennae (it is the distinguishing character) . 3.

Google previewQuiz Kids (2013)

The Radio Program with the Smartest Children in America, 1940-1953 by Martin A. Gardner

Arachnida is a class of arthropoda that includes spiders.11 The questions for the Kids were frequently relevant to a current event ...

Google previewMosby's Paramedic Textbook (2011)

by Mick J. Sanders, Kim D. McKenna, Lawrence M. Lewis, Gary Quick

ARACHNIDA (SPIDERS, SCORPIONS, TICKS) Arachnida is a large class of arthropods. These organisms usually have four pairs of legs and a body divided into ...

Google previewDictionary of Upriver Halkomelem (2009)

by Brent Douglas Galloway

Arachnida class Arachnida, order Acarina, Dermacentor andersoni, and probably Ixodes pacificus:: t'pi. class Arachnida, order Acarina, probably Ixodes ...

Google previewEncyclopedia of Entomology (2008)

by John L. Capinera

Arachnida,. Order. Araneae,. Family. Salticidae). DAVID B. RICHMAN New Mexico State University, Las Cruces, NM, USA The jumping spiders (Salticidae) comprise the largest known spider family worldwide. Over 5,000 species are known, ...

Google previewThe New American Cyclopaedia: a Popular Dictionary of General Knowledge (1863)

by George Ripley, Charles Anderson Dana

The arachnida differ from insects in having no antennae ; in the number ...

Google previewThe micrographic dictionary; a guide to the examination of microscopic objects, by J.W. Griffith and A. Henfrey (1856)

by John William Griffith, Arthur Henfrey

ARACHNIDA. surface of the thallus, either immersed, superficial or elevated on peduncles. They contain the theee or spore-cases. For the structure, see Lichens. Fig. 28, Dirina Ceratonite, natural size. Fig. 2!J, several apothecia magnified ...

Google previewA Dictionary of Science (2017)

by Jonathan Law

Arachnida. A class of terrestrial *arthropods of the phylum Chelicerata, comprising an estimated 100 000 species and including spiders, scorpions, harvestmen, ticks, and mites. An arachnid's body is divided into an anterior * cephalothorax ...

Google previewAn Encyclopedia of Natural History

ARACHNIDA. (SPIDERS,. SCORPIONS,. AND. MITES). Thin rather extensive group of animals is generally recognisable by a few salient characters. The head and thorax, instead of being separated, as in insects, are usually fused together ...

Google previewDictionary of Zoo Biology and Animal Management (2013)

by Paul A. Rees

Arachnida. A class of arthropods: spiders, mites and scorpions. arachnoid membrane The membrane that covers the brain. It contains.

Google previewThe Encyclopedia Americana (1918)

A Library of Universal Knowledge

ARACHNIDA, the name applied to the class of arthropods represented by the scorpion, spider and mite. The body is divided into two regions, the cephalothorax and abdomen, the head having been in embryonic life folded back over and fused ...

Google previewBlack's Student Veterinary Dictionary (2017)

Arachnida. The class of Arthropoda to which belong the mange mites, ticks and spiders. Arachnoid. Membrane. Arachnoid membrane is one of the membranes covering the brain and spinal cord. (See BRAIN.) Arachnoiditis is inflammation of ...

Google previewThe World-wide Encyclopedia and Gazetteer (1908)

Compiled and Revised to Date from the Leading Encyclopedias of the World. A Dictionary of Arts, Sciences and Literature, to which is Added Biographies of Living Subjects, One Hundred Colored Maps and Numerous Illustrations

ARACHNIDA. WI. Thelyphonidea. alo-thorax and abdomen, but where (as in some groups) the abdomen is divided into more or less distinct segments no organs of locomotion are ever attached to them; respiration, where distinct organs exist, ...

Online dictionaries and encyclopedias with entries for Arachnida

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Photos about Arachnida

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Urnonav (Spider - Arachnida - Araneae)

These little ones all around un-attended lights outside buildings and such..

Photo credit: TMAB2003

View more pictures about class Arachnida.

If you need related images for an article or a report, you can download stock photos:
Small photo of Neobiisidae (pseudoscorpions, arachnida)Small photo of Macro view from the front of the fluffy spider Arachnida with a brown body and long hairs sitting on the green leaf of the nettle Lamium album in the foothills of the CaucasusSmall photo of Spider (arachnida) on brickstoneSmall photo of Phrynus, a genus of Amblypygi (Arachnida) found in tropical and subtropical regionsSmall photo of A whip scorpions ( Thelyphonidae ) on the ground. It is a kind of arachnida animal.Small photo of Macro side view of the brown-gray wolf-spider Arachnida with long paws with hairs sitting on the green leaf of the nettle Lamium album in the foothills of the CaucasusSmall photo of Macro view of the side of the young spider-wolf Arachnida with a brown body and long hairs sitting in the shade on the green leaf of the nettle Lamium album in the foothills of the Caucasus More...

Scrabble value of A1R1A1C3H4N1I1D2A1

The value of this 9-letter word is 15 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

Anagrams of ARACHNIDA

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