class Arachnida


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.class Arachnida - a large class of arthropods including spiders and ticks and scorpions and daddy longlegsclass Arachnida - 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 - spiders; scorpions; horseshoe crabs
arachnid, arachnoid - air-breathing arthropods characterized by simple eyes and four pairs of legs
order Scorpionida, Scorpionida - true scorpions
Acarina, order Acarina - mites and ticks
class - (biology) a taxonomic group containing one or more orders
References in periodicals archive ?
Trombicula autumnalis belongs to the class Arachnida, family Trombiculidae.
Ticks are blood-sucking ectoparasites of the class Arachnida.