| English noun: Arachnida | 
| 1. | Arachnida (animal) 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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 | Synonyms | class Arachnida | 
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 | Broader (hypernym) | class | 
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 | Member holonym | Acarina, arachnid, arachnoid, Araneae, Araneida, Chelonethida, 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, Uropygi | 
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 | Member meronym | Chelicerata, superclass Chelicerata | 
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