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nouna 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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Definition that contains arachnida
- arachnoid relating to or resembling a member of the class Arachnida
- spidery relating to or resembling a member of the class Arachnida
- spiderly relating to or resembling a member of the class Arachnida
- arachnidian relating to or resembling a member of the class Arachnida
- spiderlike relating to or resembling a member of the class Arachnida