1. (noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

• class arachnida

1. (noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

• acarina
• order acarina
• arachnid
• arachnoid
• araneae
• araneida
• order araneae
• order araneida
• chelonethida
• order chelonethida
• order pseudoscorpiones
• order pseudoscorpionida
• pseudoscorpiones
• pseudoscorpionida
• opiliones
• order opiliones
• order phalangida
• phalangida
• order pedipalpi
• order uropygi
• pedipalpi
• uropygi
• order scorpionida
• scorpionida

1. (noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

• chelicerata
• superclass chelicerata

1. (noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

• class

1. (noun) a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

• arachnidian
• arachnoid
• spiderlike
• spiderly
• spidery