Rest

1. Sleep or quiet relaxation. Rest a while before more work,
2. The repose of death. May she rest in peace.
3. A device used as a support. She put a back rest in her favorite chair.
4. To be supported or based; lie, lean, or sit. The ladder rests firmly against the tree.
5. Free from anxiety or distress. You need to lay to rest that idea.
6. To give relief or repose to. She rested her eyes after reading the book.
7. The part that is left over. The rest of the meal went to the dog.
8. That or those remaining. The beginning was boring, but the rest was interesting.
9. To be or continue to be; remain. Rest assured that we will finish on time.