Remedy is a noun meaning a medicine or treatment for a disease or injury.
It can also mean something that corrects or counteracts a problem or undesirable situation.
In legal context, remedy refers to the means of enforcing a right or preventing or redressing a wrong.
Common phrases:
1. "home remedy" - a treatment made at home from natural ingredients
2. "legal remedy" - the way a right is enforced by a court
3. "there's no remedy for..." - used to say a situation cannot be changed