Source : Webster's Revised Unabridged Dictionary (1913)

Easement \Ease"ment\, n. [OF. aisement. See {Ease}, n.]
   1. That which gives ease, relief, or assistance; convenience;
      accommodation.

            In need of every kind of relief and easement.
                                                  --Burke.

   2. (Law) A liberty, privilege, or advantage, which one
      proprietor has in the estate of another proprietor,
      distinct from the ownership of the soil, as a way, water
      course, etc. It is a species of what the civil law calls
      servitude. --Kent.

   3. (Arch.) A curved member instead of an abrupt change of
      direction, as in a baseboard, hand rail, etc.

Source : WordNet®

easement
     n 1: (law) the privilege of using something that is not your own
          (as using another's land as a right of way to your own
          land)
     2: the act of reducing something unpleasant (as pain or
        annoyance); "he asked the nurse for relief from the
        constant pain" [syn: {easing}, {alleviation}, {relief}]