- any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods.
- Also ar·throp·o·dal [ahr-throp-uh-dl] /ɑrˈθrɒp ə dl/, ar·throp·o·dan [ahr-throp-uh-dn] /ɑrˈθrɒp ə dn/, ar·throp·o·dous [ahr-throp-uh-duh s] /ɑrˈθrɒp ə dəs/. belonging or pertaining to the Arthropoda.
Origin of arthropod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for arthropod
Florida pocket-gopher burrows and their arthropod inhabitants.The Biotic Associations of Cockroaches
Louis M. Roth
An ten' na, a segmented sensory appendage on the head of an arthropod.A Guide for the Study of Animals
The corm becomes the seat of a development of a special visual organ, the Arthropod eye (as opposed to the Chaetopod eye).
Two distinct forms of the Arthropod eye are observed—the monomeniscous (simple) and the polymeniscous (compound).
Intertergal, in-tėr-tėr′gal, adj. situated between the terga or tergites of an arthropod.
- any invertebrate of the phylum Arthropoda, having jointed limbs, a segmented body, and an exoskeleton made of chitin. The group includes the crustaceans, insects, arachnids, and centipedes
C19 from NL, from Gk arthron joint + podus footed, from pous foot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for arthropod
1877, from Modern Latin Arthropoda, literally "those with jointed feet," biological classification of the phylum of segmented, legged invertebrates; see Arthropoda.
Online Etymology Dictionary, © 2010 Douglas Harper
- Any of numerous invertebrate animals of the phylum Arthropoda, including insects, crustaceans, arachnids, and myriapods.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of numerous invertebrate animals of the phylum Arthopoda, characterized by an exoskeleton made of chitin and a segmented body with pairs of jointed appendages. Arthropods share many features with annelids and may have evolved from them in the Precambrian Era. Arthropods include the insects, crustaceans, arachnids, myriapods, and extinct trilobites, and are the largest phylum in the animal kingdom.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.