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

triple \tri"ple\, a. l. triplus; tri- see tri- + -plus, as
   in duplus double: cf. f. triple. see double, and cf.
   treble.
   1. consisting of three united; multiplied by three;
      threefold; as, a triple knot; a triple tie.
      1913 webster

            by thy triple shape as thou art seen. --dryden.
      1913 webster

   2. three times repeated; treble. see treble.
      1913 webster

   3. one of three; third. obs. --shak.
      1913 webster

   triple crown, the crown, or tiara, of the pope. see
      tiara, 2.

   triple-expansion steam engine, a compound steam engine in
      which the same steam performs work in three cylinders
      successively.

   triple measure mus., a measure of tree beats of which
      first only is accented.

   triple ratio math., a ratio which is equal to 3.

   triple salt chem., a salt containing three distinct basic
      atoms as radicals; thus, microcosmic salt is a triple
      salt.

   triple star astron., a system of three stars in close
      proximity.

   triple time mus., that time in which each measure is
      divided into three equal parts.

   triple valve, in an automatic air brake for railroad cars,
      the valve under each car, by means of which the brake is
      controlled by a change of pressure in the air pipe leading
      from the locomotive.
      1913 webster
see also:
tri- double treble triple crown tiara triple-expansion steam engine 
triple measure triple ratio triple salt triple star triple time 
triple valve 

[2] : WordNet (r) 2.0

triple crown
     n 1: horse racing a title won by a horse that can win the
          kentucky derby and the belmont stakes and the preakness
     2: baseball an unofficial title won by a batter who leads the
        league in hitting average and runs batted in and home runs

Triple >> T Words
Triple, definition of term: Triple
triple_pag1.html

Crown >> C Words
Crown, definition of term: Crown
crown_pag1.html

Crown Roast >> C Words
Crown Roast, definition of term: Crown Roast
crown+roast_pag1.html

Triple Sec >> T Words
Triple Sec, definition of term: Triple Sec
triple+sec_pag1.html

Crown Jewels >> C Words
Crown Jewels, definition of term: Crown Jewels
crown+jewels_pag1.html

Crown Colony >> C Words
Crown Colony, definition of term: Crown Colony
crown+colony_pag1.html

Crown Jewel >> C Words
Crown Jewel, definition of term: Crown Jewel
crown+jewel_pag1.html

Crown Glass >> C Words
Crown Glass, definition of term: Crown Glass
crown+glass_pag1.html

Papal Crown >> P Words
Papal Crown, definition of term: Papal Crown
papal+crown_pag1.html

Crown Of Thorns >> C Words
Crown Of Thorns, definition of term: Crown Of Thorns
crown+of+thorns_pag1.html