Meaning of ARACHNIDA
| Pronunciation: | | u'raknidu
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 WordNet Dictionary |
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| | 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 |
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ARACHNIDA is a 9 letter word that starts with A. |
| | Synonyms: | | class Arachnida |
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| | 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 |
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| | 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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