Definitions of garnish:

• noun:   any decoration added as a trimming or adornment
• noun:   something (such as parsley) added to a dish for flavor or decoration
• verb:   take a debtor's wages on legal orders, such as for child support

  Example: "His employer garnished his wages in order to pay his debt"

• verb:   decorate (food), as with parsley or other ornamental foods