Definition of Hedgihog
Hedge"hog`, n. (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.
Hedge"hog` (?), n. 1.
(Zoöl.) A small European insectivore (Erinaceus
Europæus), 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.
2. (Zoöl.) The Canadian
porcupine.[U.S]
3. (Bot.) A species of Medicago
(M. intertexta), the pods of which are armed with short
spines; -- popularly so called. Loudon.
4. A form of dredging machine.
Knight.
Hedgehog caterpillar (Zoöl.),
the hairy larvæ 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 (Zoöl.), 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
(Zoöl.), 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 (Zoöl.), 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.
Hedge"hog`, n. (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's Unabridged Dictionary (1913)
- small mammal characterized by its spiny back and by its habit of rolling itself into a ball when attacked.
- The nickname for a type of depth charge weapon that simultaneously fires a number of explosives into the water to create a pattern of underwater explosions intended to attack submerged enemies.
- (Australia) A type of chocolate cake (or slice), somewhat similar to an American brownie.
- The Nuttall Encyclopedia
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