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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.

  • 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.

  • Spider can hide underwater for 30 minutes
    on May 9, 2022 at 5:26 pm

    A tropical spider species uses a 'film' of air to hide underwater from predators for as long as 30 minutes, according to new research.

  • These male spiders catapult at impressive speeds...
    on April 25, 2022 at 4:11 pm

    After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report. Using a mechanism that hadn't been described before, the male spiders use a joint in their first pair of legs to immediately undertake a split-second catapult action, flinging themselves away from their partners at impressive speeds clocked at up to 88 centimeters per second (cm/s).

  • Glowing spider fossils prompt breakthrough study...
    on April 21, 2022 at 5:10 pm

    A new study asks: What are the unique chemical and geological processes at Aix-en-Provence that preserve spiders from the Oligocene Period so exquisitely?

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.

  • Spider silk properties analyzed for use as...
    on June 21, 2022 at 4:35 pm

    Silk has been cultivated for centuries by domesticated silkworms, but it has been difficult to commercially produce spider silk in bulk due to their cannibalistic tendencies. However, spider silk fibers are attracting attention for their fineness, mechanical properties, and lustrous appearance. Spider silk produced through recombinant protein expression systems and chemical synthesis has been shown to have superior properties for medical use to prevent the formation of blood clots and have […]

  • Scientists develop antimicrobial, plant-based...
    on June 20, 2022 at 3:00 pm

    Aiming to produce environmentally friendly alternatives to plastic food wrap and containers, a Rutgers scientist has developed a biodegradable, plant-based coating that can be sprayed on foods, guarding against pathogenic and spoilage microorganisms and transportation damage.

  • Tea and dried herb samples reveal large numbers...
    on June 15, 2022 at 12:58 pm

    A team of researchers from Trier University and the Max Planck Institute for Evolutionary Biology reports that there are large amounts of arthropod eDNA in commercially sold tea and dried herbs. In their paper published in the journal Biology Letters, the group describes collecting multiple samples of commercially sold teas and dried herbs and then analyzing each sample for environmental DNA (eDNA).

  • Hanging out with bats to discover the secrets of...
    on June 14, 2022 at 12:30 pm

    By turns admired and reviled, bats are one of the most mysterious mammals alive. Their nocturnal habits and unique adaptations mean that bat biology still holds many secrets. It is possible that bats may hold the key to understanding diabetes.

  • Mosquito species from Papua New Guinea, lost for...
    on June 8, 2022 at 1:42 pm

    There are already plenty of mosquitoes in Australia. They bring pest and public health risks to many parts of the country.


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.