Easement
Easement , noun
[Old French aisement. See Ease, n.]
1.
That which gives ease, relief, or assistance; convenience; accommodation.
In need of every kind of relief and easement.
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.
(Architecture) A curved member instead of an abrupt change of direction, as in a baseboard, hand rail, etc.