From WordNet (r) 3.0 (2006) [wn]:
self-contained
adj 1: constituting a complete and independent unit in and of
itself; "the university is like a self-contained city
with shops and all amenities"
2: in full control of your faculties; "the witness remained
collected throughout the cross-examination"; "perfectly
poised and sure of himself"; "more self-contained and more
dependable than many of the early frontiersmen"; "strong and
self-possessed in the face of trouble" [syn: collected,
equanimous, poised, self-collected, self-contained,
self-possessed]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Self-contained \Self`-con*tained"\, a.
1. Having self-control; reserved; uncommunicative; wholly
engrossed in one's self.
[1913 Webster]
2. (Mach.) 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.
[1913 Webster]
Self-contained steam engine.
(a) A steam engine having both bearings for the crank
shaft attached to the frame of the engine.
(b) A steam engine and boiler combined and fastened
together; a portable steam engine.
[1913 Webster]