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arthropods

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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.

adjective

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.

noun

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

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.

A phylum, or major division of the animal kingdom. Arthropods are animals with jointed legs and segmented bodies, such as insects, spiders, centipedes, and crustaceans. There are more species of arthropods than of any other animal phylum.

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