Source : Webster's Revised Unabridged Dictionary (1913)

Constitutional \Con`sti*tu"tion*al\, a. [f. F. constitutionnel.]
   1. Belonging to, or inherent in, the constitution, or in the
      structure of body or mind; as, a constitutional infirmity;
      constitutional ardor or dullness.

   2. In accordance with, or authorized by, the constitution of
      a state or a society; as, constitutional reforms.

   3. Regulated by, dependent on, or secured by, a constitution;
      as, constitutional government; constitutional rights.
      --Hallam.

   4. Relating to a constitution, or establishment form of
      government; as, a constitutional risis.

            The anient constitutional traditions of the state.
                                                  --Macaulay.

   5. For the benefit or one's constitution or health; as, a
      constitutional walk. [Colloq.]

   {Constitutional law}, law that relates to the constitution,
      as a permanent system of political and juridical
      government, as distinguished from statutory and common
      law, which relate to matters subordinate to such
      constitution.

Constitutional \Con`sti*tu"tion*al\, n.
   A walk or other exercise taken for one's health or
   constitution. [Colloq.] --Thackeray.

         The men trudged diurnal constitutionals along the
         different roads.                         --Compton
                                                  Reade.

Source : WordNet®

constitutional
     adj 1: of or relating to a constitution; "constitutional
            amendments"
     2: of benefit to or intended to benefit your physical makeup;
        "constitutional walk"
     3: sanctioned by or consistent with or operating under a
        constitution; "the constitutional right of free speech";
        "constitutional government"; "constitutional guarantees"
        [ant: {unconstitutional}]
     4: existing as an essential constituent or characteristic; "the
        Ptolemaic system with its built-in concept of
        periodicity"; "a constitutional inability to tell the
        truth" [syn: {built-in}, {inbuilt}, {inherent}, {integral}]
     5: constitutional in the structure of something (especially
        your physical makeup) [syn: {constituent(a)}, {constitutive(a)},
         {organic}]

constitutional
     n : a regular walk taken as a form of exercise