Definify.com

Webster 1913 Edition

Noun.

[Written also

marshaller

One who marshals.

Noun.

One who disposes in due order.

marshaler ‎(plural marshalers)

(computing) A mechanism for marshalling data.
- 2007, Joseph Albahari, ‎Ben Albahari, C# 3.0 in a Nutshell: A Desktop Quick Reference (page 723)
  The CLR includes a marshaler that knows how to convert parameters and return values between .NET types and unmanaged types. In this example, the int parameters translate directly to 4-byte integers that the function expects […]
A person who directs the movement of an aircraft between the runway and its parking stand at an airport.