This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
I can see this word being used in many places of the SPEC. like for example in page 68 of core spec it says "The PreDestroy lifecycle callback interceptor methods execute in an unspecified transaction and security context."