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spider : any of an order (Araneae synonym Araneida) of arachnids having a short, usually unsegmented abdomen linked to the cephalothorax by the pedicel, chelicerae modified into poison fangs, and two or more pairs of spinnerets at the posterior end of the abdomen for spinning threads of silk for various uses (as in making cocoons for their eggs or webs to catch prey) — Webster

OneLook, Free Dictionary, Wiktionary


Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords


Spider Glossary (Spiders from Europe, Australia and some immunology)


Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every habitat with the exceptions of air and sea colonization. — Wikipedia

Encyclopædia Britannica


Spiders (Harvard Subject Guides)








Arachnology is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, and harvestmen, collectively called arachnids. Those who study spiders and other arachnids are arachnologists. — Wikipedia




Orb-Weavers: Web Masters of the Spider World (Harvard Museum of Natural History)


WorldCat, Library of Congress, UPenn Online Books, Open Library




Under the spell of spiders (Smithsonian)
Spiders and Scorpions (Biology4Kids)


OER Commons: Open Educational Resources



How to become an Arachnologist (Chris Buddle, Arthropod Ecology)


Arachnology (British Arachnological Society), Science Daily, Phys.org, NPR Archives










OEDILF: The Omnificent English Dictionary In Limerick Form


Song Lyrics


Spiders in literature (Wikipedia)


Spider Mythology and Folklore (Patti Wigington, ThoughtCo)
Spiders in folklore and mythology (Wikipedia)


More News …

Spiders and Ticks News -- ScienceDaily Spiders, scorpions and ticks in the news. Learn why a spider hanging from a thread does not rotate, how spiders find a mate and how ticks carry Lyme Disease. Read about spider silk and spider webs.

  • Researchers create biosensor by turning spider...
    on August 2, 2022 at 4:17 pm

    Researchers have harnessed the light-guiding properties of spider silk to develop a sensor that can be used to determine concentrations of fructose, sucrose and glucose sugars based on changes in a solution's refractive index. The new light-based sensor might one day be useful for measuring blood sugar and other biochemical analytes.

  • Lab manipulates dead spiders' legs with a puff of...
    on July 25, 2022 at 2:55 pm

    Engineers find they can manipulate the legs of dead spiders to serve as grippers.

  • Genetic and molecular insights into dangerous...
    on July 5, 2022 at 1:07 pm

    Scientists have revealed the genetic and molecular structure of key molecules linked to the sometimes life-threatening mammalian-meat allergy brought on by tick bites.

  • New CDC study details county-level distribution...
    on June 8, 2022 at 10:44 pm

    As surveillance for ticks and the disease-causing germs they spread improves, so does Americans' access to knowledge about where the risk of tickborne disease is greatest. Experts have assembled new surveillance data into a report that offers up-to-date county-level maps of both where blacklegged ticks are prevalent and where they've been found infected with any of seven different disease-causing germs, or pathogens.

  • Bacteria can live in snake and spider venoms
    on May 23, 2022 at 5:50 pm

    Newly published research shows that, contrary to what is commonly believed, the venom of snakes and spiders is actually populated with microbes, including bacteria that could cause infection in people who have suffered a bite.

Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Discarded pandemic face masks could harm wildlife...
    on August 11, 2022 at 2:57 pm

    While no longer as prevalent as they once were, the billions of face masks and gloves that were produced during the pandemic are making plastic pollution an ever-greater issue.

  • Do spiders sleep? Study suggests they may snooze...
    on August 8, 2022 at 9:01 pm

    It's a question that keeps some scientists awake at night: Do spiders sleep?

  • From fish to ants: 139 new species named in...
    on August 8, 2022 at 8:54 pm

    In a win for biodiversity, CSIRO, Australia's national science agency, has revealed 139 new species were named and described by its researchers and partners in the past year. With only about 25 percent of Australia's species known to science, scientific names are vital for researchers, governments and the community to better understand the nation's vast ecosystems.

  • Ziggy Stardust and the 54 Spiders: New spider...
    on August 4, 2022 at 3:03 pm

    Senckenberg arachnologist Dr. Peter Jäger named a new genus from the wandering spider family in honor of the late pop musician David Bowie—on the occasion of the music legend's 75th birthday. Within the genus Bowie gen. nov. originating in Asia, he described 54 new species of spiders and named them after Bowie's musical work. By naming the spiders after a celebrity, the spider researcher from Frankfurt wants to draw attention to the still largely unexplored diversity and the need for […]

  • Science and practice work together to develop...
    on August 4, 2022 at 1:30 pm

    In the FInAL project, researchers from the Leibniz Center for Agricultural Landscape Research (ZALF) are testing measures for insect protection. Since 2018, they have been investigating possibilities for the insect-friendly management of lowland fen soils in a specially established landscape laboratory in Havelland, Brandenburg. These soils can only be used to a limited extent for agriculture, but are very valuable due to their ecological significance, for example as carbon sinks. By directly […]


Here are links to pages about closely related subjects.

Knowledge Realm


Sphere Land, Ice, Water (Ocean), Air
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Life Cell, Gene, Tree of Life
Plant Flower, Tree
Invertebrate Cuttlefish, Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human


1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.