(1):

(n.) 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.

(2):

(v. t.) To make (a person) a garnishee; to warn by garnishment; to garnish.

(3):

(v. t.) To attach (the fund or property sought to be secured by garnishment); to trustee.