- 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
Examples from the Web for arthropods
He thought he could find fifteen segments in all Arthropods.Form and Function
E. S. (Edward Stuart) Russell
The arthropods in general were provided with a carapace; most of them were crustaceans.Creative Evolution
He concludes, therefore, that the cephalaspids were arthropods, and not vertebrates.The Origin of Vertebrates
Walter Holbrook Gaskell
Ectoparasites and other arthropods occurring in Texas bat caves.The Biotic Associations of Cockroaches
Louis M. Roth
The Arthropods are animals of a high degree of organization.Elementary Zoology, Second Edition
Vernon L. Kellogg
- 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
Word Origin and History for arthropods
1877, from Modern Latin Arthropoda, literally "those with jointed feet," biological classification of the phylum of segmented, legged invertebrates; see Arthropoda.
- Any of numerous invertebrate animals of the phylum Arthropoda, including insects, crustaceans, arachnids, and myriapods.
- 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.