1.your basis for belief or disbelief; knowledge on which to base belief;
the evidence that smoking causes lung cancer is very compelling
2.the enclosed land around a house or other building;
it was a small house with almost no yard
3.a tract of land cleared for some special purposes (recreation or burial etc.)
4.a justification for something existing or happening;
he had no cause to complain
5.sediment that has settled at the bottom of a liquid