arthropod

noun
ar·​thro·​pod | \ ˈär-thrə-ˌpäd How to pronounce arthropod (audio) \

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

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Other Words from arthropod

arthropod adjective
arthropodan \ är-​ˈthrä-​pə-​dən How to pronounce arthropodan (audio) \ adjective

Examples of arthropod in a Sentence

Recent Examples on the Web

Yes, gardeners can test the microbial fitness of their soil by burying briefs for two months to see how much of the cotton has been eaten away by beneficial bacteria, arthropods and other microorganisms. oregonlive.com, "Bury those tighty whities to test garden soil’s health," 5 June 2019 Both terrestrial and marine arthropods, including mites, spiders, millipedes, beetles, and wasps, were found in this amber, which dates back to the mid-Cretaceous era. Daisy Hernandez, Popular Mechanics, "A Squid-Like Mollusk Showed Up in Ancient Amber, and No One Knows How," 16 May 2019 And as the entomologists tell them, only two kinds of arthropods actually infest humans: lice and a mite that causes scabies. National Geographic, "Think Your Body Is Infested With Insects? You're Not Alone.," 22 June 2018 This discovery isn’t necessarily surprising; modern arthropods, like mantises and arachnids, are also well-developed predators from an early age, the researchers note. Brigit Katz, Smithsonian, "This Prehistoric Sea Creature Had Fanged, Killer Babies," 11 June 2018 The new study looks at samples which date back to the 19th century when three-dimensionally preserved mineralized arthropods were discovered during a mining excavation in the Quercy region of South-Central France. David Grossman, Popular Mechanics, "Fossils Show Ancient Horrifying Xenomorph-Style Insects," 29 Aug. 2018 Like its adult counterparts, the little arthropod had a spiny raptorial appendage used for grasping prey and the radiodontan’s characteristic circular mouth filled with sharp teeth. Brigit Katz, Smithsonian, "This Prehistoric Sea Creature Had Fanged, Killer Babies," 11 June 2018 Arachnids different from insects, which are arthropods. Mark Feeney, BostonGlobe.com, "Before there was ‘Ant-Man and the Wasp’ . . .," 28 June 2018 Modern arthropods begin developing with a single bundle of nerve cells above their gut. National Geographic, "Half-Billion-Year-Old Fossil Brains Found in Ancient Predator," 9 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arthropod.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arthropod

1857, in the meaning defined above

History and Etymology for arthropod

New Latin Arthropoda, from arthr- + Greek pod-, pous foot — more at foot

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Statistics for arthropod

Last Updated

10 Jun 2019

Look-up Popularity

Time Traveler for arthropod

The first known use of arthropod was in 1857

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More Definitions for arthropod

arthropod

noun
ar·​thro·​pod | \ ˈär-thrə-ˌpäd How to pronounce arthropod (audio) \

Kids Definition of arthropod

: 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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More from Merriam-Webster on arthropod

Rhyming Dictionary: Words that rhyme with arthropod

Spanish Central: Translation of arthropod

Nglish: Translation of arthropod for Spanish Speakers

Britannica.com: Encyclopedia article about arthropod

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