[1] : The Collaborative International Dictionary of English v.0.48

waste \waste\, a. oe. wast, of. wast, from l. vastus,
   influenced by the kindred german word; cf. ohg. wuosti, g.
   w"ust, os. w?sti, d. woest, as. w=este. cf. vast.
   1913 webster
   1. desolate; devastated; stripped; bare; hence, dreary;
      dismal; gloomy; cheerless.
      1913 webster

            the dismal situation waste and wild.  --milton.
      1913 webster

            his heart became appalled as he gazed forward into
            the waste darkness of futurity.       --sir w.
                                                  scott.
      1913 webster

   2. lying unused; unproductive; worthless; valueless; refuse;
      rejected; as, waste land; waste paper.
      1913 webster

            but his waste words returned to him in vain.
                                                  --spenser.
      1913 webster

            not a waste or needless sound,
            till we come to holier ground.        --milton.
      1913 webster

            ill day which made this beauty waste. --emerson.
      1913 webster

   3. lost for want of occupiers or use; superfluous.
      1913 webster

            and strangled with her waste fertility. --milton.
      1913 webster

   waste gate, a gate by which the superfluous water of a
      reservoir, or the like, is discharged.

   waste paper. see under paper.

   waste pipe, a pipe for carrying off waste, or superfluous,
      water or other fluids. specifically:
      a steam boilers an escape pipe. see under escape.
      b plumbing the outlet pipe at the bottom of a bowl,
          tub, sink, or the like.

   waste steam.
      a steam which escapes the air.
      b exhaust steam.

   waste trap, a trap for a waste pipe, as of a sink.
      1913 webster
see also:
vast waste gate waste paper paper waste pipe escape 
waste steam waste trap 

[2] : WordNet (r) 2.0

waste pipe
     n : a pipe through which liquid is carried away syn: drain, drainpipe
see also:
drain drainpipe 

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