GARNISHEE is a 9 letter word that starts with G.

1. \Gar`nish*ee"\, n. (Law)
   One who is garnished; a person upon whom garnishment has been
   served in a suit by a creditor against a debtor, such person
   holding property belonging to the debtor, or owing him money.
   
   Note: The order by which warning is made is called a
         garnishee order.
   
   

2. \Gar`nish*ee"\, v. t. [imp. & p. p. {Garnisheed}
   (-[=e]d); p. pr. & vb. n. {Garnisheeing}.] (Law)
   (a) To make (a person) a garnishee; to warn by garnishment;
       to garnish.
   (b) To attach (the fund or property sought to be secured by
       garnishment); to trustee.