Arthropod Definition

ärthrə-pŏd
arthropods
noun
Any of the largest phylum (Arthropoda) of invertebrate animals with jointed legs, a segmented body, and an exoskeleton, including insects, crustaceans, arachnids, and myriapods.
Webster's New World
Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids, and myriapods, that are characterized by a chitinous exoskeleton, a segmented body, and jointed appendages.
American Heritage Medicine
The definition of arthropod is an animal without a back bone, with six or more jointed legs, a segmented body and a supporting structure on the outside.
An example of arthropod is a scorpion.
YourDictionary

An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages.

Wiktionary
other
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.
American Heritage Science
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Other Word Forms of Arthropod

Noun

Singular:
arthropod
Plural:
arthropodae, arthropods

Origin of Arthropod

  • From Latin arthropoda, from Ancient Greek ἄρθρον (arthron, “joint”) + πούς (pous, “foot”).

    From Wiktionary

  • From New Latin Arthropoda phylum name arthro– New Latin -poda -pod

    From American Heritage Dictionary of the English Language, 5th Edition

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