Noun rob roy has 2 senses
  1. MacGregor, Robert MacGregor, Rob Roy - Scottish clan leader and outlaw who was the subject of a 1817 novel by Sir Walter Scott (1671-1734)
    --1 is a kind of criminal, felon, crook, outlaw, malefactor
  2. Rob Roy - a manhattan cocktail made with Scotch whiskey
    --2 is a kind of
    --2 has substances:
     Scotch, Scotch whiskey, Scotch whisky, malt whiskey, malt whisky