1. (

• United_States_Marshals_Service ,
• US_Marshals_Service ,
• Marshals

) the United States' oldest federal law enforcement agency is responsible today for protecting the Federal Judiciary and transporting federal prisoners and protecting federal witnesses and managing assets seized from criminals and generally ensuring the effective operation of the federal judicial system ;

1. (

• marshal

) place in proper rank; "marshal the troops" ;

2. (

• marshal

) arrange in logical order; "marshal facts or arguments" ;

3. (

• mobilize ,
• mobilise ,
• marshal ,
• summon

) make ready for action or use; "marshal resources" ;

4. (

• marshal ,

) lead ceremoniously, as in a procession ;