About The Word Arachnida

Bay Area Crosswords

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Arachnida

Arachnida Meaning & Definition
Arachnida Definition And Meaning

What's The Definition Of Arachnida?

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

Synonyms | Synonyms for Arachnida: class Arachnida

Related Terms | Find terms related to 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

Arachnida In Webster's Dictionary

\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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