Source : Webster's Revised Unabridged Dictionary (1913)

Sectional \Sec"tion*al\, a.
   1. Of or pertaining to a sections or distinct part of larger
      body or territory; local.

            All sectional interests, or party feelings, it is
            hoped, will hereafter yield to schemes of ambition.
                                                  --Story.

   2. Consisting of sections, or capable of being divided into
      sections; as, a sectional steam boiler.

Source : WordNet®

sectional
     adj 1: relating to or based upon a section (i.e. as if cut through
            by an intersecting plane); "a sectional view";
            "sectional drawings"
     2: consisting of or divided into sections; "a sectional sofa";
        "sectioned plates" [syn: {sectioned}]