spider

1. An arthropod of the order Araneida (subclass Arachnida) characterized by four pairs of legs; a cephalothorax; a globose, smooth abdomen; and a complex of web-spinning spinnerets. Among the venomous spiders found in the New World are the black widow s., Latrodectus mactans; red-legged widow s., Latrodectus bishopi; pruning s., or Peruvian tarantula, Glyptocranium gasteracanthoides; Chilean brown s., Loxosceles laeta; Peruvian brown s., Loxosceles rufiper; brown recluse s. of North America, Loxosceles reclusus. 2. An obstructive growth in the teat of a cow. [O. E. spinnan, to spin]
- arterial s. SYN: s. angioma.
- vascular s. SYN: s. angioma.

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spi·der 'spīd-ər n
1) any of an order (Araneae syn. Araneida) of arachnids having a body with two main divisions, four pairs of walking legs, and two or more pairs of abdominal spinnerets for spinning threads of silk used esp. in making webs for catching prey
2) SPIDER NEVUS <an arterial \spider>
3) an obstruction in the teat of a cow esp a small irregular horny growth resulting from irritation or bruising

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spi·der (spiґdər) 1. any arachnid of the order Araneae, usually characterized by a body in two parts: the cephalothorax, which has eight legs attached, and the abdomen. Some species have venomous bites. Cf. arachnidism. 2. spider angioma.

Medical dictionary. 2011.

Look at other dictionaries:

  • Spider — Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders have… …   The Collaborative International Dictionary of English

  • spider — [ spidɛr ] n. m. • 1877; mot angl. « araignée », à cause des hautes roues et des sièges surélevés ♦ Anciennt 1 ♦ Voiture hippomobile décapotable, à quatre roues, proche du phaéton. 2 ♦ (1930) Coffre aménagé à l arrière d un cabriolet automobile… …   Encyclopédie Universelle

  • Spider — (englisch für „Spinne“) steht für: Alfa Romeo Spider, ein Cabriolet Spider Krater, ein Einschlagkrater in Westaustralien Spider (Film), Film von David Cronenberg WWW Suchprogramme, siehe Webcrawler Spider (Patience), Patience Variation, siehe… …   Deutsch Wikipedia

  • spider — O.E. spiþra, from P.Gmc. *spenthro (Cf. Dan. spinder), from *spenwanan to spin (see SPIN (Cf. spin)). The connection with the root is more transparent in other Germanic cognates (Cf. M.L.G., M.Du., M.H.G., Ger. spinne, Du. spin spider ). In… …   Etymology dictionary

  • spider — spíder s. n., pl. spídere Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  SPÍDER s.n. Loc amenajat într un automobil de sport, în spatele scaunelor, pentru a plasa bagaje sau, eventual, pasageri. [< fr. spider]. Trimis de… …   Dicționar Român

  • SPIDER — (Heb. עַכָּבִישׁ, akkavish). Isaiah (59:5–6) compares the evil designs of those who plot against the righteous to the webs which the spider spins to trap insects, while Job (8:14–15) compares the house of the wicked to the spider s fragile web.… …   Encyclopedia of Judaism

  • Spider —    Drame de David Cronenberg d après le roman de Patrick McGrath, avec Ralph Fiennes (Spider), Bradley Hall (Spider enfant), Gabriel Byrne (Bill), Miranda Richardson, Lynn Redgrave, John Neville.   Pays: Canada   Date de sortie: 2001   Technique …   Dictionnaire mondial des Films

  • spider — ► NOUN 1) an eight legged predatory arachnid with an unsegmented body consisting of a fused head and thorax and a rounded abdomen, most kinds of which spin webs in which to capture insects. 2) Billiards & Snooker a long legged rest for a cue that …   English terms dictionary

  • spider — spider, Also known as bot or crawler. A computer program or programs which seek out and collect information from publicly available websites. Such programs are used by search engines (such as Yahoo!, Google and AltaVista) to visit websites and… …   Law dictionary

  • Spider — (engl., spr. ßpaider, »Spinne«), vierräderiger, hochgebauter Selbstfahrer für Damen, mit bockartigem verdeckten Sitzplatz; Sepider Phaethon ohne Verdeck, Selbstfahrer für Herren …   Meyers Großes Konversations-Lexikon

  • Spider — Spider,der:⇨Kabrio[lett] …   Das Wörterbuch der Synonyme

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