Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Cousin(noun) one collaterally related more remotely than a brother or sister; especially, the son or daughter of an uncle or aunt. 2  Cousin(noun) a title formerly given by a king to a nobleman, particularly to those of the council. 3  Cousin(noun) allied; akin.
As everyone has explained MSMQ is used as a queue for messages. Messages can be wrapper for actual data, object and anything that you can serialize and send across the wire. MSMQ has it's own limitations. MSMQ 1.0 and MSMQ 2.0 had a 4MB message limit. This restriction was lifted off with MSMQ 3.0.
1. Thanks for the respect =) I see MSMQ as a way to send objects from app to app without needing a response passing data for the other app to do whatever it wants, and webservices as a call to a remote function with parameters and a result, I used each for these specific purposes â juanformoso Dec 30 '08 at 12:26.