noun

• (specifically) An adult swine (contrasted with a pig, a young swine).
  "Weanlings grow into feeder pigs, and feeder pigs grow into slaughter hogs. […] Ultimately the end use for virtually all pigs and hogs is to be slaughtered for the production of pork and other products."
• (informal) A greedy person or thing; one who refuses to share; a gluttonous one.
  "resource hog"
• (slang) A large motorcycle, particularly a Harley-Davidson.
  "[…] bike. That rider looked relatively young. If he's a Border Force guy just doing a nine to five job back there, I'd like to know where he gets the money to ride that hog,” Max said. “Looks expensive,” Chloe replied."
• (UK) A young sheep that has not been shorn.

verb

• (transitive, informal) To greedily take more than one's share, to take precedence at the expense of another or others.
  "Hey! Quit hogging all the blankets."
• (transitive) To clip the mane of a horse, making it short and bristly.
  "Some, perhaps, would wish to plait or shave the tail and crimp or hog the mane to complete the picture."
• (transitive) To clip the mane of a horse, making it short and bristly.
• (nautical) To scrub with a hog, or scrubbing broom.

verb

• (transitive) To process (bark, etc.) into hog fuel.

noun

• (informal) A quahog (clam).