verb

• (transitive) To feed or supply (cattle, sheep, etc.) with grass; to furnish pasture for.
  "He hath a Houſe and Barn in repair, a Field or two to graze his Cows, with a Garden and Orchard."
• (ambitransitive) To feed on; to eat (growing herbage); to eat grass from (a pasture)
  "Cattle graze in the meadows."
• (transitive) To tend (cattle, etc.) while grazing.
  "Shylock: When Jacob grazed his uncle Laban's sheep"
• (intransitive) To eat small amounts of food periodically throughout the day, rather than at fixed mealtimes, often not in response to hunger.
  "Furthermore, people who take the time to sit down to proper meals find their food more satisfying than people who graze throughout the day. If you skip meals, you will inevitably end up snacking on more high-fat high-sugar foods."