Definition of Chelicerata in English:

Chelicerata

Syllabification: Che·lic·er·at·a
Pronunciation: /kəˌlisəˈrätə
 
/
Zoology
A large group of arthropods that comprises the arachnids, sea spiders, and horseshoe crabs. They lack antennae, but possess a pair of chelicerae, a pair of pedipalps, and (typically) four pairs of legs.
  • Subphylum Chelicerata, phylum Arthropoda
More example sentences
  • Arthropods have traditionally been divided into four classes: Trilobita, Chelicerata, Crustacea, and Uniramia.
  • One of these pairs is expected to be the homologue to the chelicerae of the Chelicerata.
  • Generations of morphologists have been unable to determine the branching order of Chelicerata, Myriapoda, Crustacea and Insecta.

Origin

modern Latin (plural), from Greek khēlē 'claw' + keras 'horn'.

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