belly button
n.— «One is that we have put in place a clear chain of command. There is a single belly button now that is responsible for the status of the I.T. infrastructure in the department—the four-star.» —“U.S. Representative Adam Putnam (R-FL) Holds Hearing On Cyber Security” by Adam Putnam in House Committee On Government Reform Political Transcripts by Federal Document Clearing House June 2, 2004. (source: Double-Tongued Dictionary)