Hedgehog
Hedgehog Hedge"hog`, n. 1. (Zo["o]l.) A small European insectivore ({Erinaceus Europ[ae]us}), and other allied species of Asia and Africa, having the hair on the upper part of its body mixed with prickles or spines. It is able to roll itself into a ball so as to present the spines outwardly in every direction. It is nocturnal in its habits, feeding chiefly upon insects. [1913 Webster]

2. (Zo["o]l.) The Canadian porcupine.[U.S] [1913 Webster]

3. (Bot.) A species of {Medicago} ({Medicago intertexta}), the pods of which are armed with short spines; -- popularly so called. --Loudon. [1913 Webster]

4. A form of dredging machine. --Knight. [1913 Webster]

5. (Elec.) A variety of transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance, whence the name. [Webster 1913 Suppl.]

6. (Mil.) a defensive obstacle having pointed barbs extending outward, such as one composed of crossed logs with barbed wire wound around them, or a tangle of steel beams embedded in concrete used to impede or damage landing craft on a beach; also, a position well-fortified with such defensive obstacles. [PJC]

{Hedgehog caterpillar} (Zo["o]l.), the hairy larv[ae] of several species of bombycid moths, as of the Isabella moth. It curls up like a hedgehog when disturbed. See {Woolly bear}, and {Isabella moth}.

{Hedgehog fish} (Zo["o]l.), any spinose plectognath fish, esp. of the genus {Diodon}; the porcupine fish.

{Hedgehog grass} (Bot.), a grass with spiny involucres, growing on sandy shores; burgrass ({Cenchrus tribuloides}).

{Hedgehog rat} (Zo["o]l.), one of several West Indian rodents, allied to the porcupines, but with ratlike tails, and few quills, or only stiff bristles. The hedgehog rats belong to {Capromys}, {Plagiodon}, and allied genera.

{Hedgehog shell} (Zo["o]l.), any spinose, marine, univalve shell of the genus {Murex}.

{Hedgehog thistle} (Bot.), a plant of the Cactus family, globular in form, and covered with spines ({Echinocactus}).

{Sea hedgehog}. See {Diodon}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Hedgehog — (engl. Igel) ist der Name: eines Proteins, das im nach ihm benannten Hedgehog Signalweg wirkt. von Grabhügeln aus dem Neolithikum, siehe Hügelgrab und West Kennet Long Barrow einer U Boot Abwehrwaffe, siehe Hedgehog (Granatwaffe) einer… …   Deutsch Wikipedia

  • HedgeHog — est une protéine qui fut découverte en 1995 dans la drosophile. Elle est impliquée dans le développement embryonnaire, et joue un rôle important dans la mise en place du plan de l organisme. Les mammifères possèdent trois analogues à la protéine… …   Wikipédia en Français

  • Hedgehog — est une protéine qui fut découverte en 1995 dans la drosophile. Elle est impliquée dans le développement embryonnaire, et joue un rôle important dans la mise en place du plan de l organisme. Hedgehog est une protéine cruciale pour le… …   Wikipédia en Français

  • hedgehog — (n.) mid 15c. (replacing O.E. igl), from HEDGE (Cf. hedge) (n.) + HOG (Cf. hog) (n.); the second element a reference to its pig like snout …   Etymology dictionary

  • hedgehog — ► NOUN ▪ a small nocturnal insect eating mammal with a spiny coat, able to roll itself into a ball for defence …   English terms dictionary

  • hedgehog — [hej′hôg΄] n. [ HEDGE + HOG: prob. from living in hedgerows and from the hoglike snout] 1. any of several small insectivores (family Erinaceidae) of the Old World, with a shaggy coat and sharp spines on the back, which bristle and form a defense… …   English World dictionary

  • Hedgehog — Taxobox name = HedgehogsMSW3 Hutterer | pages = 212–217] image caption = European Hedgehog regnum = Animalia phylum = Chordata classis = Mammalia ordo = Erinaceomorpha familia = Erinaceidae subfamilia = Erinaceinae subfamilia authority = G.… …   Wikipedia

  • hedgehog — hedgehoggy, adj. /hej hog , hawg /, n. 1. an Old World, insect eating mammal of the genus Erinaceus, esp. E. europaeus, having spiny hairs on the back and sides. 2. the porcupine. 3. Mil. a. a portable obstacle made of crossed logs in the shape… …   Universalium

  • Hedgehog — El término Hedgehog puede hacer referencia a: La proteína Sonic hedgehog. El personaje de videojuegos Sonic the Hedgehog. El videojuego para los sistemas de 8 bit Sonic the Hedgehog. El videojuego para PlayStation 3 y Xbox 360, Sonic the Hedgehog …   Wikipedia Español

  • hedgehog — UK [ˈhedʒˌhɒɡ] / US [ˈhedʒˌhɔɡ] noun [countable] Word forms hedgehog : singular hedgehog plural hedgehogs a small wild animal with a round body covered with sharp spikes for protection. A hedgehog forms a shape like a ball when it is threatened …   English dictionary

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