1. To be buried in a grave after having died. My poor mother was finally laid to rest after a long, painful fight with cancer. I want to be laid to rest with the seed of a tree, so that instead of a headstone, I might have a living testament to my resting place.

2. To be resolved, ended, or set straight, as with a problem or dispute. Well, I'm glad that point of contention between you two has finally been laid to rest. The brothers' rivalry was laid to rest after both agreed to share their father's estate equally.