Definition of marshalling:
(n) :
(software) The process of transforming the memory representation of an object to a data format suitable for storage or transmission, which is typically used when data must be moved between different parts of a computer program, or from one program to another.
(n) :
(rail transport) The sorting of rolling stock in a marshalling yard.
(n) :
(heraldry) The arrangement of an escutcheon to exhibit the alliances of the owner.