verb

• (transitive) To give (someone or something) food to eat.
  "Feed the dog every evening."
• (intransitive) To eat (usually of animals).
  "Spiders feed on gnats and flies."
• (ditransitive) To give (someone or something) to (someone or something else) as food.
  "Don't feed him too much; he's still a baby."
• (transitive) To give to a machine to be processed.
  "Feed the paper gently into the document shredder."

noun

• (uncountable) Food given to (especially herbivorous) non-human animals.
  "They sell feed, riding helmets, and everything else for horses."
• (UK, Australia, New Zealand, colloquial, countable) A meal.
  "184?, Henry Mayhew, London Labour and the London Poor One proposed going to Hungerford-market to do a feed on decayed shrimps or other offal laying about the market; another proposed going to Covent-garden to do a 'tightener' of rotten oranges, to which I was humorously invited; […]"
• (countable) A gathering to eat, especially in large quantities.
  "They held a crab feed on the beach."
• (Internet) online content presented sequentially:
  "I've subscribed to the feeds of my favourite blogs, so I can find out when new posts are added without having to visit those sites."