Arachnida

[n] - a large class of arthropods including spiders and ticks and scorpions and daddy longlegs
Found on http://www.webdictionary.co.uk/definition.php?query=Arachnida

Arachnida

A·rach'ni·da noun plural [ New Latin , from Greek ... spider.] (Zoology) One of the classes of Arthropoda. See Illustration in Appendix. » They have four pairs of legs, no antennæ nor wings, a pair of mandibles, and one pair of maxillæ or palpi. The head is usually consolid...
Found on http://www.encyclo.co.uk/webster/A/112

arachnida

<zoology> One of the classes of Arthropoda. ... They have four pairs of legs, no antennae nor wings, a pair of mandibles, and one pair of maxillae or palpi. The head is usually consolidated with the thorax. The respiration is either by trancheae or by pulmonary sacs, or by both. The class includes three principal orders: Araneina, or spiders;...
Found on http://www.encyclo.co.uk/local/20973

Arachnida

class Arachnida noun a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
Found on http://wordnetweb.princeton.edu/perl/webwn?s=Arachnida

Arachnida

(ә-rak´nĭ-dә) a class of animals of the phylum Arthropoda, including 12 orders, comprising such forms as spiders, scorpions, ticks, and mites.
Found on http://www.encyclo.co.uk/local/21001

Arachnida

• (n. pl.) One of the classes of Arthropoda. See Illustration in Appendix.
Found on http://thinkexist.com/dictionary/meaning/arachnida/

Arachnida

Arachnida A class of arthropods of the subphylum Chelicerata, that includes mites, ticks, spiders, scorpions, and related forms. Many of the most important parasites and vectors of human and animal pathogens are included in this large assemblage.
Found on http://www.wordinfo.info/words/index/info/view_unit/1042/

Arachnida

A principal division, or Class, of the air-breathing arthropods, the arachnids, including the scorpions, mites, spiders, harvestmen, etc.
Found on http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm

Arachnida

Type: Term Pronunciation: ă-rak′ni-dă Definitions: 1. A class of arthropods in the subphylum Chelicerata, consisting of spiders, scorpions, harvestmen, mites, ticks, and allies.
Found on http://www.medilexicon.com/medicaldictionary.php?t=5881

Arachnida

Arachnida is a class of arthropods. They are the spiders, scorpions, king- crabs and mites. They have the body divided into a number of segments or somites, some of which have always articulated appendages (limbs, etc). There is often a pair of nervous ganglia in each somite, although in some forms (as spiders) the nervous system becomes modified a...
Found on http://www.probertencyclopaedia.com/browse/BAA.HTM

Arachnida

A class of arthropods which include the scorpions, spiders, mites, ticks, among others.
Found on http://www.earthlife.net/insects/glossary.html

Arachnida

class of arthropods containing spiders, scorpions, mites, and ticks; these arthropods have bodies with two sections, four pairs of legs, and no antennae
Found on http://insectzoo.msstate.edu/Glossary/

Arachnida

A principal division, or Class, of the air-breathing arthropods, the arachnids, including the scorpi
Found on http://www.superglossary.com/Glossary/Science/Spiders/
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