Also found in: Thesaurus, Encyclopedia, Wikipedia.
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