(1) A collection of data objects with the same name that reside on a coupling facility queue structure. Data objects on a shared queue are available to all CQS clients that have access to the structure.
(2) In WebSphere MQ for z/OS, a type of local queue. The messages on the queue are stored in the coupling facility and can be accessed by one or more queue managers in a queue-sharing group. The definition of the queue is stored in the shared repository. See also queue-sharing group.