1
general::
1. Stand united, stick together, as in We must all hang together and tell the same story. [c. 1400] 2. Cohere, constitute a consistent whole. For example, The plot lines in that movie don't hang together. [Mid-1500s]
American Heritage Idioms
2
general::
Phrase(s): hang together
1. Fig. [for something or a group of people] to hold together; to remain intact. • I hope our bridge group hangs together until we are old and gray. • I don’t think that this car will hang together for another minute. 2. Fig. [for a story] to flow from element to element and make sense. • This story simply does not hang together. • Your novel hangs together quite nicely. 3. Fig. [for people] to spend time together. • We hung together for a few hours and then went our separate ways. • The boys hung together throughout the evening.
McGrawhill's American Idioms And Phrasal Verbs