meaning of self contained
1.  Having self-control; reserved; uncommunicative; wholly engrossed in ones self. 
2.  Having all the essential working parts connected by a bedplate or framework, or contained in a case, etc. , so that mutual relations of the parts do not depend upon fastening outside of the machine itself. 
3.  constituting a complete and independent unit in and of itself; "the university is like a self-contained city with shops and all 
						">amenities"
						 
