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 (kə-lĭs′ər-āt′, -ĭt)
Any of various arthropods of the subphylum Chelicerata, having mouthparts with chelicerae, a body composed of two main parts, and no antennae, and including the arachnids and the horseshoe crabs.

[From New Latin Chēlicerāta, subphylum name, from chēlicera, chelicera; see chelicera.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) of, relating to, or belonging to the Chelicerata, a subphylum of arthropods, including arachnids and the horseshoe crab, in which the first pair of limbs are modified as chelicerae
(Animals) any arthropod belonging to the Chelicerata
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.chelicerate - of or relating to or resembling chelicerae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
= 1) formed by myriapod and chelicerate HcAs; (D) a pink clade (Fig.
Phylum 5 Chelicerata (Chelicerates, Chelicerate Arthropods, Horseshoe Crabs, Arachnids, and Sea Spiders)
This is actually similar to the proposed clock mechanism in some non-drosopholid insects, such as butterflies (Zhu et ai, 2008), and the chelicerate Limulus (horseshoe crab) (Chesmore et ai, 2016).
( The open-access paper was titled "Mandibulate convergence in an armored Cambrian stem chelicerate."
The scorpion body plan is strikingly similar to that of the extinct eurypterids (Chelicerata: Eurypterida), and on this basis, scorpions can be considered reasonable taphonomic analogues for their extinct chelicerate cousins.
Limulus is a xiphosuran chelicerate, the sister group to arachnids.
They compared this to the nervous systems of horseshoe crabs and scorpions and found without doubt that the creature belonged to the chelicerate family.