The Collaborative International Dictionary of English v.0.48:

Graze \Graze\ (gr[=a]z), v. t. [imp. & p. p. Grazed
   (gr[=a]zd); p. pr. & vb. n. Grazing.] [OE. grasen, AS.
   grasian, fr. gr[ae]s grass. See Grass.]
   1. To feed or supply (cattle, sheep, etc.) with grass; to
      furnish pasture for.
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            A field or two to graze his cows.     --Swift.
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   2. To feed on; to eat (growing herbage); to eat grass from (a
      pasture); to browse.
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            The lambs with wolves shall graze the verdant mead.
                                                  --Pope.
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   3. To tend (cattle, etc.) while grazing.
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            When Jacob grazed his uncle Laban's sheep. --Shak.
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   4. To rub or touch lightly the surface of (a thing) in
      passing; as, the bullet grazed the wall.
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WordNet (r) 3.0 (2006):

grazed
    adj 1: scraped or touched lightly in passing; "his grazed and
           bleeding arm proved he had been in the line of fire"