Source : WordNet®

daisy chain
     n 1: (figurative) a series of associated things or people or
          experiences
     2: flower chain consisting of a string of daisies linked by
        their stems; worn by students on class day at some schools

Source : Free On-Line Dictionary of Computing

daisy chain
     
         A {bus} wiring scheme in which, for example,
        device A is wired to device B, device B is wired to device C,
        etc.  The last device is normally wired to a resistor or
        {terminator}.  All devices may receive identical signals or,
        in contrast to a simple bus, each device in the chain may
        modify one or more signals before passing them on.
     
        Characteristic of {RS-485}, of {Apple}'s {LocalTalk}, and of
        various industrial control networks; also often used to
        describe {Thinwire} {Ethernet} ({10base2}).
     
        (1997-01-07)