easement

noun6

1. •
   An interest in land which grants the legal right to use another person's real property (real estate), generally in order to cross a part of the property or to gain access to something on the property (right of way).

   • The power company has an easement to put their electricity poles along the edge of this land.
2. •
   An element such as a baseboard, handrail, etc., that is curved instead of abruptly changing direction.

   • The curved part of the rail where it joins the newel is called an easement. Often, however, the rail joins the newel without an easement. — 1986
3. •
   Transition spiral curve track between a straight or tangent track and a circular curved track of a certain radius or selected radius.
4. •
   Gratification.
5. •
   (no longer used) Easing; relief; assistance; support.
6. •
   (euphemistic, no longer used) The act of relieving oneself: defecating or urinating.

   • He lit candles in the passage next to Patrick's closet, where his lordship wrote his letters, did his easement, took his bath, and knelt on winter nights to say his blackest prayers. — 2013