D defs.my
Entry 2 senses Webster, 1913

Self-contained

/sĕl'-fkən-tānd'/ · Self·-con·tained · IPA /ˈsɛlf.kənˌteɪnd/
01 a. Having self-control; reserved; uncommunicative; wholly engrossed in one's self.
  1. 1.
    Having self-control; reserved; uncommunicative; wholly engrossed in one's self.
  2. 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.(Mach.)
Phrases & compounds
Self-contained steam engine — A steam engine having both bearings for the crank shaft attached to the frame of the engine