n. A reddish brown North American burrowing marmot (Marmota monax), also called the woodchuck. It hibernates in the winter.
Syn. -- woodchuck, Marmota monax. [ WordNet 1.5 ]

n. 1. (Zool.) A small European insectivore (Erinaceus Europaeus), 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. (Zool.) 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 (Zool.), the hairy larvae 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 (Zool.), 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 (Zool.), 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 (Zool.), 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 ]

n. [ Prob. akin to E. hack to cut, and meaning orig., a castrated boar; cf. also W. hwch swine, sow, Armor. houc'h, hoc'h. Cf. Haggis, Hogget, and Hoggerel. ] 1. (Zool.) A quadruped of the genus Sus, and allied genera of Suidæ; esp., the domesticated varieties of Sus scrofa, kept for their fat and meat, called, respectively, lard and pork; swine; porker; specifically, a castrated boar; a barrow. [ 1913 Webster ]

☞ The domestic hogs of Siam, China, and parts of Southern Europe, are thought to have been derived from Sus Indicus. [ 1913 Webster ]

2. A mean, filthy, or gluttonous fellow. [ Low. ] [ 1913 Webster ]

3. A young sheep that has not been shorn. [ Eng. ] [ 1913 Webster ]

4. (Naut.) A rough, flat scrubbing broom for scrubbing a ship's bottom under water. Totten. [ 1913 Webster ]

5. (Paper Manuf.) A device for mixing and stirring the pulp of which paper is made. [ 1913 Webster ]

Bush hog,
Ground hog, etc.. See under Bush, Ground, etc. --
Hog caterpillar (Zool.), the larva of the green grapevine sphinx; -- so called because the head and first three segments are much smaller than those behind them, so as to make a resemblance to a hog's snout. See Hawk moth. --
Hog cholera, an epidemic contagious fever of swine, attended by liquid, fetid, diarrhea, and by the appearance on the skin and mucous membrane of spots and patches of a scarlet, purple, or black color. It is fatal in from one to six days, or ends in a slow, uncertain recovery. Law (Farmer's Veter. Adviser.) --
Hog deer (Zool.), the axis deer. --
Hog gum (Bot.), West Indian tree (Symphonia globulifera), yielding an aromatic gum. --
Hog of wool, the trade name for the fleece or wool of sheep of the second year. --
Hog peanut (Bot.), a kind of earth pea. --
Hog plum (Bot.), a tropical tree, of the genus Spondias (Spondias lutea), with fruit somewhat resembling plums, but chiefly eaten by hogs. It is found in the West Indies. --
Hog's bean (Bot.), the plant henbane. --
Hog's bread.(Bot.) See Sow bread. --
Hog's fennel. (Bot.) See under Fennel. --
Mexican hog (Zool.), the peccary. --
Water hog. (Zool.) See Capybara. [ 1913 Webster ]

v. t. [ imp. & p. p. Hogged p. pr. & vb. n. Hogging. ] 1. To cut short like bristles; as, to hog the mane of a horse. Smart. [ 1913 Webster ]

2. (Naut.) To scrub with a hog, or scrubbing broom. [ 1913 Webster ]

v. i. (Naut.) To become bent upward in the middle, like a hog's back; -- said of a ship broken or strained so as to have this form. [ 1913 Webster ]

n. [ Amer. Indian name. ] (Zool.) Any one of several species of small American cyprinodont fishes of the genus Fundulus, and of allied genera; the killifishes; -- called also minnow. [ Written also mummychog, mummachog. ] [ 1913 Webster ]

n. (Zool.) See Mummichog. [ 1913 Webster ]

{ } n. [ Abbrev. fr. Narragansett Indian poquaûhock. ] (Zool.) An American market clam (Venus mercenaria). It is sold in large quantities, and is highly valued as food. Called also round clam, and hard clam. [ 1913 Webster ]

☞ The name is also applied to other allied species, as Venus Mortoni of the Gulf of Mexico. [ 1913 Webster ]

(Zool.) A sea urchin. [ 1913 Webster ]

(Zool.) The porpoise. [ 1913 Webster ]

n. [ See Shock a striking. ] A shock; a jog; a violent concussion or impulse. [ R. or Scot. ] [ 1913 Webster ]

v. t. To shake; to shock. [ R. or Scot. ] [ 1913 Webster ]

v. i. [ Cf. W. ysgogi to wag, to stir. Cf. Jog. ] To jog; to move on. [ R. or Scot. ] Beau. & Fl. [ 1913 Webster ]

(Zool.) Either one of two species of large, savage African wild hogs of the genus Phacochœrus. These animals have a pair of large, rough, fleshy tubercles behind the tusks and second pair behind the eyes. The tusks are large and strong, and both pairs curve upward. The body is scantily covered with bristles, but there is long dorsal mane. The South African species (Phacochœrus Aethiopicus) is the best known. Called also vlacke vark. The second species (Phacochœrus Aeliani) is native of the coasts of the Red Sea. [ 1913 Webster ]

(Zool.) The capybara. [ 1913 Webster ]