hog

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various mammals of the family Suidae, which includes the domesticated pig as well as wild species, such as the wild boar and the warthog.
• noun A domesticated pig weighing over 54 kilograms (120 pounds).
• noun A self-indulgent, gluttonous, or filthy person.
• noun One that uses too much of something.
• noun Chiefly British A young sheep before it has been shorn.
• noun The wool from this type of sheep.
• noun Slang A big, heavy motorcycle.
• intransitive verb Informal To take more than one's share of.
• intransitive verb To cause (the back) to arch like that of a hog.
• intransitive verb To cut (a horse's mane) short and bristly.
• intransitive verb To shred (waste wood, for example) by machine.
• intransitive verb Nautical To arch upward in the middle. Used of a ship's keel.
• idiom (on/off) In a lavish or extravagant manner.

from The Century Dictionary.

• To cut (the hair) short: as, to hog a horse's mane.
• To scrape (a ship's bottom) under water.
• To carry on the back.
• To droop at both ends, so as to resemble in some degree a hog's back in outline: said of the bottom of a ship when in this condition either through faulty construction or from accident.
• In the manège, to hold or carry the head down, like a hog.
• noun A gelded pig; a barrow-pig.
• noun An omnivorous non-ruminant mammal of the family Suidœ, suborder Artiodactyla, and order Ungulata; a pig, sow, or boar; a swine.
• noun Some animal like or likened to a hog, not of the family Suidœ. See wart-hog, Phacochœrus, peccary, and Dicotyles.
• noun A sheep shorn in the first year, or just after the first year; a young sheep.
• noun A young colt.
• noun A bullock a year old.
• noun One who has the characteristics of the hog; a mean, stingy, grasping, gluttonous, or filthy person.
• noun Nautical, a sort of scrubbing- broom for scraping a ship's bottom under water.
• noun A stirrer or agitator in the pulp-vat of a paper-making plant.
• noun A shilling, or perhaps a sixpence.
• noun In the game of curling, a stone which does not go over the hog-score; also, the hog-score itself.
• noun A small locomotive used for hauling cars about mines; a hogback locomotive.
• noun A machine for grinding logs.
• noun In shipbuilding, the condition of being hogged: generally used quantitatively with reference to the amount of deflection from the normal condition. See hog, intransitive verb, 1.
• In curling, to play, as a stone, with so little force that it does not clear the hog-score.
• To act as greedily and as selfishly as a hog in regard to (something); take more than one's share of; appropriate selfishly.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) 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.
• noun Low. A mean, filthy, or gluttonous fellow.
• noun engraving A young sheep that has not been shorn.
• noun (Naut.) A rough, flat scrubbing broom for scrubbing a ship's bottom under water.
• noun (Paper Manuf.) A device for mixing and stirring the pulp of which paper is made.
• noun See under Bush, Ground, etc.
• noun (Zoöl.) 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.
• noun 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.
• noun (Zoöl.) the axis deer.
• noun (Bot.) West Indian tree (Symphonia globulifera), yielding an aromatic gum.
• noun the trade name for the fleece or wool of sheep of the second year.
• noun (Bot.) a kind of earth pea.