Merriam-Webster Collegiate Dictionary - marshal

 I. noun  also ~l  Etymology: Middle English, from Anglo-French mareschal, of Germanic origin; akin to Old High German marahscalc ~, from marah horse + scalc servant  Date: 13th century  1.  a. a high official in the household of a medieval king, prince, or noble originally having charge of the cavalry but later usually in command of the military forces  b. a person who arranges and directs the ceremonial aspects of a gathering  2.  a. field ~  b. a general officer of the highest military rank  3.  a. an officer having charge of prisoners  b.  (1) a ministerial officer appointed for a judicial district (as of the United States) to execute the process of the courts and perform various duties similar to those of a sheriff  (2) a city law officer entrusted with particular duties  c. the administrative head of a city police department or fire department  • ~cy noun  • ~ship noun  II. verb  also ~l  (-shaled or -shalled; -shaling or ~ling)  Date: 15th century  transitive verb  1. to place in proper rank or position ~ing the troops  2. to bring together and order in an appropriate or effective way ~ arguments  3. to lead ceremoniously or solicitously ; usher ~ing her little group of children down the street  intransitive verb to take form or order ideas ~ing neatly  Synonyms: see order