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

moot \moot\, n. as. m=ot, gem=ot, a meeting; -- usually in
   comp. written also mote.
   1. a meeting for discussion and deliberation; esp., a meeting
      of the people of a village or district, in anglo-saxon
      times, for the discussion and settlement of matters of
      common interest; -- usually in composition; as, folk-moot.
      --j. r. green.
      1913 webster

   2. from moot, v. a discussion or debate; especially, a
      discussion of fictitious causes by way of practice.
      1913 webster

            the pleading used in courts and chancery called
            moots.                                --sir t.
                                                  elyot.
      1913 webster

   moot case, a case or question to be mooted; a disputable
      case; an unsettled question. --dryden.

   moot court, a mock court, such as is held by students of
      law for practicing the conduct of law cases.

   moot point, a point or question to be debated; a doubtful
      question.

   to make moot v. t. to render moot2; to moot3.
      1913 webster +pjc
see also:
mote moot moot case moot court moot point to make moot 

[2] : WordNet (r) 2.0

moot court
     n : a mock court where law students argue hypothetical cases

Court >> C Words
Court, definition of term: Court
court_pag1.html

Court Martial >> C Words
Court Martial, definition of term: Court Martial
court+martial_pag1.html

Court Marshal >> C Words
Court Marshal, definition of term: Court Marshal
court+marshal_pag1.html

Circuit Court >> C Words
Circuit Court, definition of term: Circuit Court
circuit+court_pag1.html

Appellate Court >> A Words
Appellate Court, definition of term: Appellate Court
appellate+court_pag1.html

Appeals Court >> A Words
Appeals Court, definition of term: Appeals Court
appeals+court_pag1.html

Court Of Record >> C Words
Court Of Record, definition of term: Court Of Record
court+of+record_pag1.html

Court Of Appeal >> C Words
Court Of Appeal, definition of term: Court Of Appeal
court+of+appeal_pag1.html

Court Of Common >> C Words
Court Of Common, definition of term: Court Of Common
court+of+common_pag1.html