Definition of arthropod
: any of a phylum (Arthropoda) of invertebrate animals (such as insects, arachnids, and crustaceans) that have a segmented body and jointed appendages, a usually chitinous exoskeleton molted at intervals, and a dorsal anterior brain connected to a ventral chain of ganglia
arthropodanplay \är-ˈthrä-pə-dən\ adjective
Recent Examples of arthropod from the Web
Additional experiments using 12 sea spider species from Antarctica and the United States confirmed that gut contractions propel the flow of blood and oxygen in this group of marine-dwelling arthropods, the team reports today in Current Biology.
Animals on display included scaly reptiles, slimy amphibians, creepy arthropods, birds, and super furry mammals.
Animals include scaly reptiles, slimy amphibians, creepy arthropods, birds and super furry mammals.
Spiders aren't the only creatures that have evolved this trap-jaw mechanism, says Spagna—trap-jaw ants and springtails, a type of arthropod, both do.
Instead, there were primitive worms and arthropods, some species of jellyfish and sponges, and a smattering of multicellular microscopic life.
In all, the team collected 129,494 arthropods, compared with only a few thousand in most previous studies, then spent the next 8 years identifying and sorting the bugs.
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ARTHROPOD Defined for Kids
Definition of arthropod for Students
: any of a large group of animals (as crabs, insects, and spiders) with jointed limbs and a body made up of segments
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