Also found in: Thesaurus.
Related to class Arachnida: class Insecta, class Chilopoda, class Crustacea, class Diplopoda
Switch to new thesaurus
|Noun||1.||class Arachnida - a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings|
Chelonethida, order Chelonethida, order Pseudoscorpiones, order Pseudoscorpionida, Pseudoscorpiones, Pseudoscorpionida - false scorpions
class - (biology) a taxonomic group containing one or more orders