Definition of "arachnid" []

• Any of various arthropods of the class Arachnida, such as spiders, scorpions, mites, and ticks, characterized by four pairs of segmented legs and a body that is divided into two regions, the cephalothorax and the abdomen. Also called arachnoid. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Venom as big slobbering fanged crazyman, with a bit of a thing for wanting to indulge in arachnid appetisers is what you find here."
• "This house has at least two long-term arachnid tenants."
• "His case is just one of a dozen this year in which Japanese have been nipped by this Australian arachnid, which is spinning its silk web from Nagoya to Fukuoka, to Osaka."