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Meaning of ARACHNIDA

Pronunciation:  u'raknidu

 
WordNet Dictionary
 
 Definition: 
[n]  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 9 letter word that starts with A.

 

 Synonyms: class Arachnida
 
 See Also: Acarina, arachnid, arachnoid, Araneae, Araneida, Chelicerata, Chelonethida, class, Opiliones, order Acarina, order Araneae, order Araneida, order Chelonethida, order Opiliones, order Pedipalpi, order Phalangida, order Pseudoscorpiones, order Pseudoscorpionida, order Scorpionida, order Uropygi, Pedipalpi, Phalangida, Pseudoscorpiones, Pseudoscorpionida, Scorpionida, superclass Chelicerata, Uropygi

 

 

Webster's 1913 Dictionary
 
 Definition: 
\A*rach"ni*da\, n. pl. [NL., fr. Gr. ? spider.]
(Zo["o]l.)
One of the classes of Arthropoda. See Illustration in
Appendix.

Note: They have four pairs of legs, no antenn[ae] nor wings,
      a pair of mandibles, and one pair of maxill[ae] or
      palpi. The head is usually consolidated with the
      thorax. The respiration is either by tranche[ae] or by
      pulmonary sacs, or by both. The class includes three
      principal orders: {Araneina}, or spiders;
      {Arthrogastra}, including scorpions, etc.; and
      {Acarina}, or mites and ticks.

 

 

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